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When children learn to read with confidence, they gain access to ideas, questions, and a world worth thinking about. Critical thinking  is one of those phrases we hear everywhere in education, but it can be hard to picture what it really looks like in a classroom, especially for young children. Critical thinking doesn't magically appear in middle or high school. It’s something that needs to be built on purpose from the very first years of school. Critical Thinking Starts with Literacy Children can’t think critically about what they can’t read, understand, or talk about. That’s why building literacy is foundational at Cornerstone. When students learn to decode words accurately, build vocabulary, and understand language, they gain access to ideas, information, and questions worth thinking about. Strong literacy opens the door to reasoning, problem-solving, and meaningful discussion. In our classrooms, critical thinking starts with literacy. Reading, writing, speaking, and listening all work together as tools that help children make sense of the world. Knowledge Matters Critical thinking depends on having something to think about. A content-rich, knowledge-building curriculum intentionally builds students’ understanding of science, history, geography, and the world around them. With this shared knowledge, students can ask better questions, make connections across subjects, and engage in deeper conversations. This approach is especially important for equity. When all students have access to strong instruction and rich content, critical thinking becomes something every child  can develop, not just those with prior exposure. We Teach Children How  to Think At Cornerstone, we don’t assume students will “pick up” critical thinking skills on their own. Just as children benefit from explicit, systematic instruction in reading through the Orton-Gillingham approach, they also benefit from being explicitly taught how to organize and share their thinking. When reading skills are taught clearly and systematically, children don't need to spend mental energy on decoding and can focus on meaning, ideas, and understanding. This creates the conditions for deeper thinking. We explicitly teach children how to: Explain their ideas clearly. Compare and contrast information. Identify cause-and-effect relationships. Support their thinking with evidence. Revise their thinking as they learn more. Writing plays a key role here. Even young students learn sentence structures like, “I think ___ because ___.”  These simple tools help children move from opinion to reasoning, and that’s the foundation of critical thinking. What Does Critical Thinking Look Like in the Early Grades? In kindergarten through third grade, critical thinking looks different from what it does in high school, and it should. For young children, it means: Explaining why something happened. Asking thoughtful “why” and “how” questions. Noticing patterns. Making connections between ideas. Talking about what they’ve learned using precise language. These skills are carefully scaffolded and practiced daily, in ways that are developmentally appropriate and engaging. Applying Thinking Through Project-Based Learning Once students have strong literacy skills, background knowledge, and thinking tools, we give them opportunities to apply their learning through structured, project-based experiences. Projects might include investigating a local environmental question, exploring a science phenomenon, or solving a real-world problem connected to what students are learning in class. These experiences are meaningful because they are grounded in reading, writing, discussion, and knowledge, not just activity. Project-based learning at Cornerstone is not unstructured or chaotic. It builds on explicit instruction and allows students to use their skills in authentic ways. Critical Thinking Is Built, Not Hoped For We cannot leave critical thinking to chance. We need to build it step by step by providing: Strong, evidence-based literacy instruction. Intentional knowledge-building curriculum. Explicit teaching of thinking and writing skills. Developmentally responsive practices. Purposeful, real-world application. With our thoughtful approach, children grow into confident readers, thinkers, and leaders, not just prepared for school but for life.

At Cornerstone, we believe school structures should reflect how children actually grow and develop. In the primary grades especially, children do not grow in neat, linear ways. Their academic, social, and emotional development unfolds at different rates and in different rhythms. Traditional grade-level systems assume that children of the same age are ready for the same expectations, pace, and routines at the same time. In reality, that structure can unintentionally leave some children feeling rushed, while others feel held back. Our Primary Learning Communities in elementary school model was designed to address this mismatch by organizing classrooms around children’s developmental needs rather than fixed grade labels. Primary Learning Communities are intentionally flexible so that predictable, thoughtful change can happen during the school year. As children grow, some may benefit from a different learning environment, set of routines, or instructional pace. In traditional systems, these shifts often require additional interventions layered on top of an unchanged classroom placement. At Cornerstone, adjustments are part of the design itself. Changes occur at planned times, with careful attention to each child’s readiness and emotional well-being. Families and students are prepared in advance, and transitions are framed as a normal and healthy part of growth, not as a reaction to difficulty or a signal of success or failure. Just as important as flexibility is the way children experience belonging. Each child has a primary teacher who serves as their emotional anchor and main point of connection with families. At the same time, we intentionally build a strong schoolwide community so children come to know and trust multiple adults. Through shared routines, traditions, and consistent expectations, students learn that all adults are part of one caring team. This balance, a strong primary relationship paired with a wider circle of trusted adults, supports both emotional security and growing independence. To reinforce this sense of belonging and to avoid the hierarchy often associated with grade labels, Cornerstone does not name classes by grade numbers. Instead, our Primary Learning Communities are named around a shared schoolwide big idea connected to place and purpose. One example of this is the Connecticut River, a powerful symbol of growth, connection, and shared journey in our region. Classrooms may be named for tributaries of the river, such as Ashuelot, Mascoma, or Contoocook, emphasizing that each community is part of a larger whole. These names reflect belonging rather than rank and remind students that, like a river system, we grow stronger through connection. Primary Learning Communities reflect our commitment to building a healthy, connected school environment where children feel known, supported, and safe to grow. By combining flexibility with predictability, strong relationships with shared community, and thoughtful design over one-size-fits-all structures, we aim to create a school experience that truly centers children. The details of how this works matter, and we will continue to share them, but the heart of the model is simple: children thrive when schools are designed around who they are and how they grow.