A revolution is taking place in classrooms and teacher education programs: it’s called the Science of Reading. Backed by over fifty years of interdisciplinary research¹, the Science of Reading has clarified how children learn to read and what instructional methods work best. For years, reading instruction was mired in debates (phonics vs. whole language, anyone?). Now, an overwhelming body of evidence points to effective practices often not used widely in schools until recently.
So, what should every teacher know about the Science of Reading (SOR)? Whether you teach kindergarten or middle school, being aware of reading science can transform your instruction and help all students – including those with dyslexia or those who struggle – become proficient readers. This blog distills key insights from cognitive neuroscience and educational research into practical knowledge and strategies.
Whether you teach kindergarten or middle school, being aware of reading science can transform your instruction and help all students – including those with dyslexia or those who struggle – become proficient readers.
What Is the Science of Reading?
The Science of Reading (SOR) is a body of interdisciplinary research, drawing from psychology, neuroscience, linguistics, and education, that explains how the human brain actually learns to read. Unlike speaking, reading is not a natural process. Our brains aren’t wired for reading from birth, so we must build new neural pathways that link visual symbols (letters) to sounds (phonemes) and meaning (words and ideas).
SOR research has revealed that skilled reading depends on the integration of several key components:
• Phonemic awareness: noticing and manipulating individual sounds in spoken words.
• Phonics: understanding how letters and letter patterns represent those sounds.
• Fluency: reading accurately and smoothly.
• Vocabulary: knowing the meanings of words.
• Comprehension: constructing meaning from what we read.
One central model, the Simple View of Reading, explains that reading comprehension = decoding × language comprehension. In other words, children must both recognize words and understand language for reading to make sense.
Unlike speaking, reading is not a natural process. Our brains aren’t wired for reading from birth, so we must build new neural pathways that link visual symbols (letters) to sounds (phonemes) and meaning (words and ideas).
Another key framework, Scarborough’s Reading Rope, shows how these elements twist together—like strands in a rope—to form strong, fluent reading skills. Weakness in any strand can make reading more difficult.
SOR also challenges common myths. It shows that most children cannot learn to read just by being surrounded by books or guessing words from pictures. Instead, systematic and explicit instruction in phonics—teaching how letters map to sounds—is essential for most learners to crack the code of written language.
Brain imaging confirms this: when children receive effective reading instruction, especially those with dyslexia, their brain activation patterns literally change to mirror those of skilled readers.
In essence, the Science of Reading offers a blueprint for how to teach reading in alignment with how the brain learns, helping educators move from guesswork to evidence-based practice.
It shows that most children cannot learn to read just by being surrounded by books or guessing words from pictures. Instead, systematic and explicit instruction in phonics—teaching how letters map to sounds—is essential for most learners to crack the code of written language.
Key Insights Every Teacher Should Know
In this section, you’ll learn the core principles of the Science of Reading that every educator should understand, from decoding and fluency to vocabulary, background knowledge, and effective interventions. Each insight connects research to what works in the classroom.
Why phonemic awareness and phonics are non-negotiable
Decades of research show that recognizing and manipulating the sounds in words (phonemic awareness) and systematically connecting letters to those sounds (phonics) is the most dependable way to build strong readers.
When teachers understand these patterns, they can diagnose and correct errors effectively.
If your training didn’t cover phonics deeply, invest time in mastering a structured sequence. Explicit and systematic instruction always outperforms looser, “as-needed” approaches.How decoding becomes automatic through fluencyFluency—reading quickly, accurately, and with expression—frees cognitive space for meaning-making. The Science of Reading supports repeated readings, guided oral practice, and matching text difficulty to each student’s decoding level. Techniques like phrasing or timed readings aren’t drills; they’re evidence-based tools that help reading become effortless.
3. Why vocabulary and background knowledge drive comprehension
By fourth grade, differences in vocabulary and background knowledge explain much of the variation in understanding. Students comprehend only what they have the words and context for. That’s why all teachers, not just language arts teachers, should build content knowledge through read-alouds, discussions, and integrated units. Explicitly teaching academic vocabulary, like “photosynthesis” or “democracy,” prepares students for complex texts across subjects.How to support struggling readers with structure, not guesswork
Strong readers rely on letter-sound recognition, not guessing. Struggling readers, especially those with dyslexia, need systematic instruction in syllable types, morphemes, and decoding practice. Research shows that with explicit, evidence-based methods, roughly 95% of children can learn to read. When students fall behind, the answer is to reinforce foundations—not bypass them.
By fourth grade, differences in vocabulary and background knowledge explain much of the variation in understanding.
Practical Classroom Strategies
Use a structured phonics curriculum in early grades and for older students who struggle. Teach sound-letter correspondences in a clear sequence, with daily blending and segmenting. Make lessons multisensory—tracing, tapping, or writing in the air—to reinforce memory. Continue phonics instruction beyond grade two to include advanced patterns and roots.
Choose decodable texts for beginners. These books align with what students have been taught and allow them to apply decoding skills directly. As fluency grows, move toward authentic literature while continuing to practice phonics.
Teach vocabulary intentionally and in context. Pre-teach important words, use visuals, act them out, and revisit them often. A steady habit of exploring two or three new, rich words each day helps build a culture of word curiosity.
Build background knowledge deliberately. Link reading topics with science, social studies, and world events. Thematic units or routines like “World News Wednesday” expand the mental framework that future texts rely on.
Use assessment as a guide, not just a grade. Screen for phonemic awareness, track phonics mastery, monitor fluency, and discuss comprehension regularly. Adjust small-group instruction based on what you find.
Keep learning and share what you learn. Many teachers were not trained in the Science of Reading—now is the time to explore it. Podcasts, articles, and professional communities can help you stay current and confident. Communicate with parents so they can reinforce these practices at home.
The Science of Reading isn’t a fad, it’s a paradigm shift toward evidence-based reading instruction that can unlock literacy for every child. As an educator, embracing these principles is empowering. You’ll see the puzzle pieces come together: that student who struggled with reading might make a breakthrough when you explicitly teach them how to break apart a word and systematically build it (instead of guessing). Teaching reading truly becomes a science and an art – you apply proven techniques and watch the almost magical moment when the light bulb goes on and a child reads with confidence. Keep in mind, this is a journey. Implement changes gradually, reflect on what’s working, and share successes with colleagues.
Hungry for more in-depth guidance?
Join TeacherLAB. With the science on your side, you can ensure none of your students “slip through the cracks” in reading. Empower yourself with this knowledge – it’s every teacher’s toolkit for literacy success.


