No two students walk into a classroom with exactly the same strengths, needs, experiences, interests, or ways of engaging with learning. Yet for decades, we have asked teachers to meet individual needs within systems largely designed for groups.
Differentiated instruction has helped move education away from that one-size-fits-all model. It asks educators to recognize learner variability and adjust instruction accordingly. That shift matters.
But as classrooms become increasingly diverse, differentiation alone may not fully capture what it means to design learning around the individual student.
The next question is not simply, “How can we differentiate this lesson?”
It is, “What does this learner need to be successful?”
Differentiation Is Essential, but It Is Not Simple
Differentiation is hardly a new concept in education. At its core, differentiated instruction recognizes that students vary in readiness, needs, interests, and other characteristics, and that instruction should respond to those differences.
What differentiation looks like in practice, however, is far less consistent.
A 2024 systematic review examined 61 empirical studies of differentiated instruction in K–12 classrooms. The review found that differentiation was implemented in numerous ways, but ability grouping, often based on academic achievement, was the most frequently used approach. The researchers also found that the effectiveness of differentiated instruction varied based on multiple factors, including how the instruction was implemented.
More recent research reinforces that complexity. A 2026 systematic review of differentiation practices in primary and secondary education found that differentiation continues to lack clarity in both definition and practical application. Across the studies examined, differentiation occurred predominantly at the classroom level and focused heavily on content and process, particularly in response to differences in student ability.
That finding raises an important question.
Are we differentiating instruction for categories of learners, or are we designing instruction responsive enough to recognize the learner within the category?
From Groups of Learners to Individual Learners
Differentiation remains an important instructional practice. Teachers need practical ways to respond to variability across a classroom, and grouping students, adjusting materials, changing levels of support, providing different pathways, and modifying instructional approaches can all be valuable.
Individualization takes that responsiveness a step further.
Definitions vary across the education literature, but individualization generally shifts attention toward the specific learning needs and progress of an individual student. Rather than asking only what a group of students may need, educators continually consider what this particular learner needs now.
That distinction matters.
Two students may have the same reading assessment score but require very different support. Two multilingual learners may share a home language while having completely different educational backgrounds, levels of English proficiency, interests, strengths, and prior knowledge. Two students with the same accommodation on an IEP may experience a lesson very differently.
A label can tell us something about a learner.
It can never tell us everything.
Individualization therefore requires more than creating different versions of an assignment. It requires knowing students, monitoring their progress, identifying what is helping or hindering learning, and adjusting instruction as that information changes.
What the Research Tells Us About Responsiveness
There is growing evidence that the power of individualized instruction is not simply in collecting more student information. The value comes from what educators are able to do with it.
A 2025 meta-analysis examined learning progress monitoring across 25 studies involving 7,379 students. Researchers found a small positive effect on student performance in reading, writing, and mathematics. Importantly, the benefits were greater when teachers received ongoing consultation and specific support for using student data to adjust their instruction.
That distinction is critical.
Data does not individualize learning.
Technology does not individualize learning.
A student profile does not individualize learning.
Educators individualize learning when those tools help them make better instructional decisions for the students in front of them.
That is why conversations about educational technology should not begin with what a tool can generate. They should begin with what an educator needs to know and do.
Individualization Should Not Mean More Work
There is an obvious challenge to all of this.
Teachers already carry enormous instructional demands. Asking a teacher to create an entirely different lesson for every student in a classroom is neither realistic nor necessary.
Individualization should not mean 25 students receiving 25 unrelated lessons.
Instead, we should be asking how curriculum, instructional resources, assessment, data, and technology can make responsiveness more manageable.
Can an educator begin with strong, standards-aligned instruction and quickly adjust the level of scaffolding for a student who needs it?
Can vocabulary or language support be added for a multilingual learner without lowering the rigor of the lesson?
Can a student who has already demonstrated mastery move into deeper application rather than completing more of the same work?
Can accommodations become part of instructional planning from the beginning instead of something teachers have to add afterward?
Can student progress help determine what happens next?
When the answer to those questions is yes, individualization becomes less about creating more and more about making what we already create work better for each learner.
The Goal Is Not Less Teacher Decision-Making. It Is Better-Supported Decision-Making.
As technology becomes more capable of adapting content, analyzing information, and generating instructional resources, there is a temptation to equate automation with personalization.
We should resist that.
The goal of educational technology should not be to make instructional decisions instead of educators. It should be to give educators greater capacity to make informed decisions themselves.
Teachers bring context that a data point cannot capture. They know when a student is frustrated, when a learner needs to be challenged, when a particular example will make something click, and when the instructional plan needs to change.
Technology can help surface information, reduce repetitive work, provide options, and make adaptation faster.
The educator remains the decision-maker.
Designing for Every Learner
At RevolutionEd, this belief shapes how we think about instructional design. Supporting every learner means making individual student needs, accommodations, strengths, and preferences part of the instructional process rather than treating them as an afterthought.
But this is bigger than any one platform or technology.
It is a shift in how we think about teaching.
Differentiation asks us to recognize that students are different.
Individualization asks us to act on what those differences mean for each learner.
And perhaps the most important question we can ask as we design the future of education is not whether we can create instruction more efficiently.
It is whether we can give educators the tools, information, and capacity to see each learner more clearly and respond to them more meaningfully.
Because reaching every learner begins with seeing the individual student in front of us.
By Dr. Jen Walczak
Director of Education Initiatives & Operations | RevolutionEd
References
Dell’Anna, S., Frizzarin, A., & Biagiotti, G. (2026). Practice-oriented research on differentiation strategies in primary and secondary education: A systematic review. Teaching and Teacher Education, 177, 105559.
Fuchs, A., Radkowitsch, A., & Sommerhoff, D. (2025). Using learning progress monitoring to promote academic performance? A meta-analysis of the effectiveness. Educational Research Review, 46, 100648.
Hu, L. (2024). Utilization of differentiated instruction in K–12 classrooms: A systematic literature review (2000–2022). Asia Pacific Education Review, 25, 507–525.
