The Biggest Textbook Companies Quit Selling Textbooks
Using the word “textbook” is undercutting your entire learning experience.
In 2024, Houghton Mifflin Harcourt — a publisher nearly two centuries old, the house behind generations of American schoolbooks — stopped calling itself a textbook publisher. It rebranded as an "adaptive learning company," and the reasoning its own designers gave was blunt: the tools students need change faster than a static textbook could ever update.
HMH wasn't alone. McGraw Hill retired the traditional textbook edition cycle in favor of a continuously updated model it calls Evergreen. And the purest bet on the digital textbook — CourseSmart, the e-textbook venture the major publishers built together — had already collapsed and been folded into another company years before.
Sit with who made these moves. The companies with the most to lose by declaring the textbook over were the textbook companies. They declared it anyway.
That should settle a debate too many publishers are still quietly having with themselves — whether "going digital" means putting the book on a screen. It doesn't. The screen was never the point. The market moved somewhere else entirely, and the incumbents followed it.
Follow the usage
Where did it go? Look at what districts actually put in front of students. Instructure's EdTech Top 40, drawn from more than 64 billion classroom interactions across 3.7 million students in 2024-25, is topped by platforms, not libraries: the systems that manage instruction, the tools that assess and engage, and — as the dominant instructional program year after year — adaptive learning platforms like i-Ready. IXL reports it reaches one in four American students and 96 of the 100 largest districts. None of these companies sells anything it would call a textbook. They sell curriculum that assesses, adapts, and reports — instruction that responds.
And districts are buying with more discipline, not less. The same data shows them trimming their tool lists and demanding evidence of impact before they adopt. A beautifully rendered book that simply sits on a device does not survive that filter.
“The companies with the most to lose by declaring the textbook over were the textbook companies. They did it anyway.”
Artifact versus experience
Here is the distinction that actually organizes this market. A textbook — printed or digital — is an artifact. You produce it, you deliver it, and your job is essentially finished at the moment of delivery. A learning experience is a system. It reacts to the student in front of it, to the data it generates, to the standards it has to meet, and it keeps changing after delivery, because that is the entire value.
The winners sell the system. The content still matters enormously — it is the raw material — but no one wins a district by selling the raw material as the finished product. "Digital textbook" describes a nicer container for the artifact. It competes in a category the buyer has already left.
The coherence trap
It would be easy to read all this as "everything should be digital and loose." Districts tried that, and they are recoiling from it. When the textbook fragmented, teachers were left stitching together unvetted materials — hours of it every week — and the result was incoherence: uneven quality, weak alignment to standards, no through-line from one classroom to the next. The correction now sweeping states and districts is a demand for high-quality instructional materials: coherent, standards-aligned, evidence-vetted programs, screened through reviewers like EdReports before a dollar is spent.
So the target is neither the frozen textbook nor the chaotic pile of links. It is the thing in between that almost nobody delivers well: curriculum that is coherent, standards-aligned, and still alive — able to update, adapt, and absorb new material without dissolving back into fragments. That is the experience districts are actually trying to buy.
The uncomfortable part
Now the part publishers would rather not hear. The companies that won the experience layer mostly built the whole stack themselves: their own curriculum, their own platform, their own direct line to the district. They did not become better book suppliers. They became the system.
That leaves a publisher with a real fork and no comfortable third path. You can become an experience provider — deliver coherent, living, standards-aligned curriculum that districts adopt directly — or you can become a content supplier feeding someone else's experience, on someone else's terms and margins. What you can no longer be, durably, is "the textbook company," because that category is being vacated by the very firms that defined it.
The publishers who own genuine content, editorial judgment, and standards expertise are holding precisely the raw material the platform winners had to build from nothing. That is an enormous advantage — but only if it is delivered as an experience, not protected as an artifact.
The moat is now for rent
Here is the turn that changes the math for any publisher who hasn't made that leap yet. The stack the incumbents built — platform, rostering, security clearances, reporting, the district relationships — took years and tens of millions: the kind of build that turns a publisher into a technology company. It was that technical bar, not the content bar, that kept publishers still on the other side of it out of the classroom.
But infrastructure, unlike editorial judgment, can be rented. The moment a publisher clears both gates as cleanly as the incumbents do — without becoming a platform company to get there — the giant's advantage isn't narrowed, it's gone. And then scale flips from asset to liability. A company serving every subject and grade for everyone can't move fast, go deep, or tailor. Focus beats breadth; speed beats a committee; specificity beats one-size-fits-all. A publisher that owns a subject, a grade band, a language, or a community wins precisely where size makes the giant slow.
One honest line, because it is what makes the rest hold: renting the infrastructure removes the technical bar, not the quality bar. It carries good content to the classroom; it does not rescue weak content. For a publisher with something genuinely worth teaching, that bar was the only thing in the way.
The quiet, expensive decision
The textbook did not die because paper died. It died because "deliver a fixed thing" stopped being the job. The job now is to build a coherent, standards-aligned learning experience that proves whether students are actually understanding the material — through real performance and usage data — and responds where they aren't, then to keep it alive inside the district. That is the work the market rewards, and the work the incumbents rebranded to chase.
The most expensive decision a publisher can make right now is a quiet one: to keep the old noun on the logo, and let the buyer file you where the winners no longer are.
The publishers who win the next decade won't be the ones with the best books. They'll be the ones who turned their content into a coherent, living experience districts adopt — without building a platform company to do it. That's the work we do at Content2Classroom.
Sources
Instructure / LearnPlatform, EdTech Top 40 (2024-25); usage figures via Instructure press release (June 30, 2025).
IXL Learning, company figures (Apr 30, 2025); "1 in 4 students" self-reported at ixl.com.
Curriculum Associates, i-Ready Learning.
HMH 2024 rebrand to "adaptive learning company": Fast Company; Transform.
McGraw Hill, company history and Evergreen delivery model.
CourseSmart / VitalSource acquisition (2014–2016): overview. Verify against original Publishers Weekly / Inside Higher Ed reporting before publishing.
EdReports, Adoption Steps.
RAND Corporation, Understanding How Teachers Select and Adapt Instructional Materials (2025).
Education Next, A Classroom Without Books Is Not Progress (2025) — opinion.
