Using Critical Thinking

Education at a Crossroads

March 31, 202520 min read

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Harnessing Technology to Deliver Superior Services and Increasing Human Flourishing. AI: Solutions to Education Crisis

Education at a Crossroads: Trends Since 2000 and the Path Forward

Rising Spending vs. Stagnant Test Scores (2000–Present)

Over the past two decades, U.S. public education funding has increased substantially on a per-student basis. In inflation-adjusted terms, K-12 spending rose from roughly $12,000 per pupil in 2002 to about $16,000 in 2020 – an increase of around 25% (Five key trends in education spending, teacher salaries, staffing and test scores - Reason Foundation). Many states saw even larger jumps; for example, New York’s per-pupil funding grew over 50% in that period (Five key trends in education spending, teacher salaries, staffing and test scores - Reason Foundation). Despite this infusion of resources, national standardized test scores have largely plateaued.

On international exams and national assessments, the U.S. has seen little improvement. In the Programme for International Student Assessment (PISA), American 15-year-olds’ reading scores have remained virtually unchanged for two decades (around 504 in 2000 and 2022), while math scores declined – the 2022 math score (465) was 18 points lower than in 2003 (U.S. Teenagers Decline in Global Test of Math, But Hold Steady in Reading, Science) (U.S. Teenagers Decline in Global Test of Math, But Hold Steady in Reading, Science). Domestically, the National Assessment of Educational Progress (NAEP) showed steady gains in the early 2000s (especially in math) but then flatlined in the 2010s (NAEP test scores reveal a decade of educational stagnation). By 2019, average NAEP scores in core subjects were no better – and in some cases worse – than those in the late 2000s, and recent pandemic-era declines have erased most of the modest gains made since 2000 ( Results-Based Funding & The Public-School Funding Question ).

The contrast between higher spending and flat outcomes is striking. A recent analysis noted “an undeniable disconnect between spending growth and test scores across states” (Five key trends in education spending, teacher salaries, staffing and test scores - Reason Foundation). In other words, pouring more money into the existing system has not by itself yielded commensurate improvement in reading and math proficiency. This does not mean that funding is irrelevant – indeed, targeted investments can improve outcomes, and researchers have found that additional dollars can raise test scores slightly (on the order of 0.03–0.05 standard deviations per $1,000 spent per pupil) especially for low-income students (Understanding the Effects of School Funding). However, at the macro level, the increased expenditures since 2000 have not translated into higher average achievement. Factors such as how funds are spent, socio-economic challenges, and systemic inefficiencies seem to mediate the relationship between money and results. The bottom line is that despite spending more per student than almost any other nation, the U.S. has struggled to boost its standardized test performance in the 21st century (U.S. Teenagers Decline in Global Test of Math, But Hold Steady in Reading, Science). This reality has prompted educators and policymakers to ask: Where is the disconnect, and how can we bridge it?

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The Influence of Teachers’ Unions on Curriculum and Policy

Teachers’ unions are a powerful force in American education, and their impact on schools since 2000 has been much debated. Unions shape many aspects of school policy, from teacher hiring and evaluation to curricula and classroom conditions. In fact, collective bargaining agreements often extend far beyond salaries and benefits – “nearly every aspect of teachers’ work and school operations is negotiated,” including class size, teacher assignments, instructional time, and even elements of instruction and curriculum (How Unions Influence Education Policy) (How Unions Influence Education Policy). These contracts have been called “the most important policy document governing school district operations” (How Unions Influence Education Policy), underscoring how union agreements can formalize policies on what is taught and how schools are run. For example, many union contracts have clauses that limit class sizes (aiming to improve learning conditions) and specify processes for curriculum changes or textbook adoption that require teacher input. This influence can ensure educators have a voice in curricular decisions, potentially leading to materials and standards that are realistic and teacher-approved.

At the same time, union-negotiated rules can affect teacher effectiveness and accountability. Traditionally, unions have championed strong job protections: tenure rules and seniority-based systems for transfers or layoffs are common. By design, these policies protect veteran teachers’ rights – but they can also make it difficult to remove low-performing teachers or reward excellence. For instance, some contracts stipulate that only seniority and credentials (not performance) determine teacher layoffs or promotions (How Unions Influence Education Policy). Such provisions, critics argue, may retain ineffective teachers in classrooms and hinder administrators from making merit-based personnel decisions. Unions have often resisted evaluation reforms that tie teacher ratings to student test scores, viewing them as unfair; in a few cases, districts even had to forgo grants for innovative teacher improvement programs because union cooperation faltered (How Unions Influence Education Policy). Furthermore, union bargaining has historically prioritized teacher pay and benefits alongside working conditions – not necessarily either/or. Research indicates that in earlier decades, unions managed to secure both better compensation and favorable working conditions simultaneously (How Unions Influence Education Policy) (How Unions Influence Education Policy). This has raised overall teacher satisfaction and likely helped with teacher retention, but it has also increased costs for districts.

Have union policies improved or hindered student outcomes? Studies offer mixed conclusions. On one hand, some analyses find that unionized school districts modestly outperform non-union districts on average, possibly due to more stable, experienced teaching forces and smaller classes. Notably, one review found that in unionized districts, “average students perform better” on tests compared to similar non-union districts (Teachers unions and student performance: help or hindrance?). On the other hand, the same body of evidence suggests the benefits are not universal – very low-achieving and very high-achieving students may fare worse in heavily unionized environments (How Unions Influence Education Policy). This could be because union rules sometimes lead to a one-size-fits-all approach (focusing on the middle) or make it harder to drastically change instruction to help the neediest and challenge the most advanced students. Another study found that districts with stronger union contracts experienced smaller gains in student achievement over a five-year period, hinting that certain restrictive contract provisions might impede rapid improvement (How Unions Influence Education Policy). In short, union influence has been a double-edged sword: it has advocated for beneficial resources (like funding, lower pupil-teacher ratios, and teacher training) and provided teachers a stable work environment, but it has at times resisted reforms in evaluation, tenure, and curriculum that might boost outcomes. Going forward, many argue that collaboration is key – unions, administrators, and policymakers will need to work together so that policies both protect teachers and center on student learning. Recent trends show some unions embracing innovations (for example, partnering on new curriculum standards or peer evaluation programs), suggesting common ground can be found.

Media, Social Media, and the Decline of Critical Thinking

Today’s students are growing up in an information-saturated environment dominated by social media and instant information – a dramatically different landscape than that of the year 2000. Educators and researchers have observed a worrying decline in youth’s critical thinking skills, often describing a shift in education and culture from teaching “how to think” toward telling students “what to think.” Several factors contribute to this trend:

  • Misinformation and “Truth Decay”: Social media platforms like Facebook, YouTube, TikTok and others allow anyone to publish content with no filter for accuracy. Misleading or false information can spread virally among students. The result is what RAND researchers call “truth decay,” where facts and analytical reasoning play an ever-diminishing role in public discourse (Our kids are missing out on critical thinking | Pursuit by the University of Melbourne). Young people scrolling through feeds may absorb rumors, conspiracy theories, or biased takes without the tools to critically vet them. Studies show many students struggle to distinguish credible sources from dubious ones online. For example, a Stanford University study found over 96% of high school students did not consider source bias or reliability when evaluating a website – most took information at face value (High school students are unequipped to spot ‘fake news’ | Stanford Report). Many in the study were even duped by a grainy fake “news” video and failed to recognize that a purported “independent” site was actually funded by vested interests (High school students are unequipped to spot ‘fake news’ | Stanford Report). Such findings are troubling, as they indicate that digital-native students often lack media literacy basics. Being inundated with fast-paced social media content appears to have eroded the habit of verifying facts, cross-checking sources, and thinking skeptically about what they read or watch.

  • From Inquiry to Memorization in School: In parallel with the rise of social media, some critics argue that our education system’s focus shifted toward test-driven content delivery, implicitly emphasizing “what to think.” With the expansion of state testing and federal accountability (e.g. No Child Left Behind and its successors), many schools increased their emphasis on rote learning of facts and teaching to the test. As one student observer noted, high school education has “evolved from learning to memorization, promoting answering rather than comprehending.” (It's Not a Memory Test; Education Needs to Focus on Critical Thinking | Maine Public). Students now take an astounding 112 standardized tests on average between kindergarten and 12th grade (It's Not a Memory Test; Education Needs to Focus on Critical Thinking | Maine Public). This exam intensity means teachers often feel pressure to cover material that will appear on tests at the expense of open-ended exploration. Multiple-choice questions reward recall of specific information, not nuanced reasoning. Research confirms that when grades and test scores dominate the priorities, students tend to rehearse information only to regurgitate it – then forget it – rather than truly internalize concepts or question underlying ideas (It's Not a Memory Test; Education Needs to Focus on Critical Thinking | Maine Public). In short, they learn the “answers” but not how to derive or critique them. This dynamic, driven by well-intentioned accountability policies, has unintentionally deemphasized critical thinking instruction in many classrooms.

  • Digital Overload and Cognitive Impacts: The always-online lifestyle may also be physiologically changing how young brains process information. Cognitive scientists point out that constant multitasking between apps, notifications, and media streams conditions students to prefer rapid, bite-sized information over deep focus. The internet’s “unique features” – endless hyperlinks, scrolling feeds, and algorithmic content recommendations – encourage divided attention across multiple inputs “at the expense of sustained concentration” ( The “online brain”: how the Internet may be changing our cognition - PMC ). Over time, heavy digital media use can lead to altered memory habits: why deeply analyze or remember facts when answers are one Google search away? Some youths may implicitly learn that it’s more important to quickly find out “what to think” (as provided by top search results or trending posts) than to engage in the slow, effortful process of reasoning through a problem. Early research suggests that extensive online engagement can cause both acute and lasting changes in cognition, including shorter attention spans and reduced retention of information ( The “online brain”: how the Internet may be changing our cognition - PMC ). In the classroom, this manifests as students who are less patient with complex tasks and more reliant on copy-paste answers. Teachers report that fostering debate or analysis has become harder as students expect quick, clear-cut conclusions.

The net effect of these trends is a generation that is highly connected but not necessarily more informed. In fact, college assessments have found that a significant proportion of students make it through years of schooling without appreciably improving their critical thinking, reasoning, or writing skills (Our kids are missing out on critical thinking | Pursuit by the University of Melbourne). This is alarming, as critical thinking is precisely the skill needed to navigate the sea of information (and misinformation) they encounter daily. If education in the 20th century valued “learning how to think,” the 21st-century media environment often instead bombards young people with “what to think.” To combat this, educators and policymakers are increasingly calling for renewed emphasis on media literacy, inquiry-based learning, and analytical skills. The goal is to empower students to question and assess the content they consume – whether in a textbook or on TikTok – rather than passively accept it. This challenge also presents an opportunity: by recognizing the gap, schools can intentionally redesign curricula to prioritize critical thinking in the digital age.

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AI and the Future of Education: Personalization, Intervention, and Innovation

While the problems in U.S. education are complex, emerging technologies – especially artificial intelligence (AI) – offer promising tools to help address some of these issues. AI has the potential to transform how students learn and how teachers teach by providing personalized, real-time support at an unprecedented scale. In recent years, a range of AI-driven education platforms and pilots have demonstrated improved outcomes. Below, we examine how AI can reshape instruction and highlight case studies of its impact:

  • AI-Powered Personalized Tutors: One of the most powerful applications of AI in education is the intelligent tutoring system – software that can adapt to an individual student’s learning needs much like a human tutor would. These systems use algorithms to diagnose what a student knows and where they are struggling, then adjust the pace and content of lessons accordingly. For example, the adaptive learning company Knewton developed an AI-driven program that analyzes each learner’s performance in real time and modifies practice questions to target the learner’s weak spots. In a controlled study, students who used Knewton’s adaptive learning software saw a 62% greater improvement in test scores compared to those who did not (How Effective is AI in Education? 10 Case Studies and Examples - Axon Park). The AI tutor was able to constantly tailor material – giving easier practice when a concept wasn’t mastered and moving ahead when the student was ready – which is something a single teacher with 30 students cannot easily do. Another case study from researchers Pai et al. (2020) implemented an intelligent tutoring system for 5th grade math: the AI tutor provided step-by-step guidance in learning multiplication and division. The results were striking – students using the AI system had 30% higher scores on post-tests and even reported 20% less anxiety about math, as the instant feedback built their confidence (How Effective is AI in Education? 10 Case Studies and Examples - Axon Park). These examples show that AI tutors can increase both proficiency and student motivation. By mimicking a one-on-one instructor, AI systems can keep students engaged at their level of understanding, a feat that addresses the varied learning needs in a typical classroom (including those high-achievers and low-achievers who often fall through the cracks).

  • Real-Time Analytics and Interventions: AI doesn’t just react to student inputs – it can also predict and preempt learning difficulties. Researchers at Stanford recently tested a machine learning model that monitored students’ progress in a digital course to foresee when a student was about to get stuck in a “wheel-spinning” loop of confusion. The AI was trained on data from over a thousand children learning reading skills on tablets. Amazingly, the program could predict with high accuracy when a child was likely to stall out on the next lesson, and proactively recommend an intervention or hint (How Effective is AI in Education? 10 Case Studies and Examples - Axon Park) (How Effective is AI in Education? 10 Case Studies and Examples - Axon Park). In roughly 80% of cases, the AI’s recommendation matched that of human experts reviewing the situation (How Effective is AI in Education? 10 Case Studies and Examples - Axon Park). This kind of real-time insight means an AI teaching assistant can flag a student’s struggle before the student fails a quiz or becomes frustrated, enabling teachers to step in with timely support. Many learning management systems are starting to include AI-driven analytics dashboards that alert teachers, for instance, if a student hasn’t logged in, skips too many practice problems, or continually errs on a certain topic. These early warning systems help educators provide targeted help, thus preventing minor learning gaps from growing into major failures. In essence, AI can act as an ever-vigilant tutor or teaching aide that ensures no student is overlooked due to large class sizes or limited instructor bandwidth.

  • Adaptive Content and Curriculum: AI is also being used to generate and customize educational content. For example, some platforms employ AI to create practice questions or explanatory feedback tailored to an individual’s mistakes. There are AI-driven writing coaches that give instant critiques on a student’s essay, pointing out logical inconsistencies or grammatical issues and prompting the student to think critically about how to improve. In foreign language learning, popular apps like Duolingo use AI algorithms to personalize practice sessions – they can determine which vocabulary words you’re weak on and bring them up more often, and they use spaced repetition techniques optimized by AI to improve long-term retention. These adaptive systems embody the ideal of teaching students how to think by responding to their actions: if a student answers incorrectly, the system can ask follow-up questions or present the concept in a different way, guiding the student to figure out the correct reasoning. This is a dynamic, dialogic form of learning, very different from one-size-fits-all lecture or static textbook chapters.

  • Case Studies in Practice: Across the country (and globe), schools and universities have begun deploying AI tools, with encouraging results. A university in Spain implemented an AI chatbot to handle student questions about coursework and campus info. The chatbot was able to answer nearly 39,000 queries with over 91% accuracy (How Effective is AI in Education? 10 Case Studies and Examples - Axon Park) (How Effective is AI in Education? 10 Case Studies and Examples - Axon Park) – effectively acting as a round-the-clock teaching assistant for routine questions. Students reported higher satisfaction and less waiting for help, and the human staff was freed from answering repetitive queries, allowing them to focus on complex student needs. At Georgia Tech, a famous experiment involved an AI teaching assistant named “Jill Watson.” Jill (built on IBM Watson technology) was employed in an online course to answer students’ questions on the class forum. Not only did Jill respond with 97% accuracy, but most students didn’t realize for weeks that she was not a human TA – a testament to how well AI can mimic helpful instructor behavior (Virtual Teaching Assistant: Jill Watson | GVU Center). These case studies illustrate that AI tools, when integrated thoughtfully, can amplify the reach and effectiveness of educators. They take over administrative and repetitive instructional tasks and provide personalized support, essentially acting as a force multiplier for teachers (Use of AI in Schools [25 Case Studies] [2025] - DigitalDefynd) (How Effective is AI in Education? 10 Case Studies and Examples - Axon Park).

Looking ahead, the influence of AI in education is poised to grow rapidly. Experts project that nearly half of learning management tools will incorporate AI in the next few years (How Effective is AI in Education? 10 Case Studies and Examples - Axon Park). This could include AI-assisted grading (already, some standardized tests use AI to score essays), virtual reality simulations guided by AI for hands-on learning, and AI mentor systems that help develop students’ critical thinking by asking Socratic questions. Importantly, AI can also help counter the “what to think” problem by fostering inquiry: for instance, AI tutoring systems can be programmed to ask students why they chose an answer and guide them to reflect, rather than just telling them the correct answer. By personalizing education and providing instant feedback, AI encourages active learning – students learn by doing and by making mistakes in a low-stakes environment where an AI is always available to coach them through the difficulty. This kind of responsive practice is key to developing problem-solving and critical reasoning skills.

Conclusion and Recommendations

The evidence is clear that the traditional trajectory of U.S. education – more money for the status quo – is not yielding the improvements students need. Since 2000, spending per pupil has climbed significantly with only marginal gains (and recent declines) in test scores (Five key trends in education spending, teacher salaries, staffing and test scores - Reason Foundation) ( Results-Based Funding & The Public-School Funding Question ). Meanwhile, external factors like the explosion of social media and the onslaught of misinformation are undermining the critical thinking abilities of the next generation, as students are often taught what to memorize but not how to analyze or question (It's Not a Memory Test; Education Needs to Focus on Critical Thinking | Maine Public) (High school students are unequipped to spot ‘fake news’ | Stanford Report). Teachers and their unions have worked hard to advocate for educators and quality public schooling, but bureaucratic and contractual constraints have sometimes slowed the pace of change needed to boost outcomes for all learners. In short, our education system is at a crossroads – it faces 21st-century challenges with 20th-century tools.

AI-enhanced education solutions provide a hopeful path forward. By leveraging AI for personalized learning, we can target student needs with precision and free teachers to do what humans do best – mentor, inspire, and teach higher-order thinking. Policymakers and education leaders should take action to adopt and scale effective AI tools in classrooms. This means investing in pilot programs that have shown success, such as adaptive learning software for core academic subjects, AI tutoring bots that supplement teacher instruction, and professional development for teachers to integrate these technologies into their practice. Early adopters have already seen substantial gains in student achievement and engagement from such tools (How Effective is AI in Education? 10 Case Studies and Examples - Axon Park) (How Effective is AI in Education? 10 Case Studies and Examples - Axon Park). If implemented thoughtfully, AI can help differentiate instruction for a diverse student population, ensuring that advanced students are challenged with enriching material while struggling students get the support and repetition they need – all in real time.

Of course, adopting AI at scale will require careful attention to privacy, equity, and training. Policymakers should establish guidelines so that AI is used ethically and complements, not replaces, the human touch in teaching. Teachers should be partners in this process; their expertise combined with AI’s capabilities can create a powerful hybrid model of instruction. The goal is an education system that teaches core knowledge and how to apply it – marrying the “what to think” (fundamental literacies and facts) with the “how to think” (critical analysis and creativity). AI, with its ability to provide instant feedback and adjust to each learner, is a tool uniquely suited to reinforce the latter without sacrificing the former.

In conclusion, the challenges of stagnant performance and waning critical thinking call for bold innovation. Embracing AI and emerging technologies in education is not about turning learning over to machines; it’s about enhancing human teaching and learning with smart support. The data-driven insights from AI systems can help educators continuously improve curricula and interventions (for instance, identifying which teaching strategies work best, or which misconceptions are most common). This continuous improvement loop has long been missing in education. By taking advantage of AI tools that are now available – and those on the horizon – we can create a more adaptive, effective, and engaging education system. Such a system will better prepare students not only to score well on tests, but to think critically, solve complex problems, and navigate the vast information landscape of the modern world. It is imperative that education stakeholders act with urgency and openness to these new solutions. The future of education can be one where every student has an AI-augmented personal tutor, every teacher has an AI assistant, and every classroom is a place where technology and pedagogy work hand-in-hand to deliver superior outcomes. The time to usher in that future is now. (Five key trends in education spending, teacher salaries, staffing and test scores - Reason Foundation) (How Effective is AI in Education? 10 Case Studies and Examples - Axon Park)


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