Best K-12 Curriculum Platforms in 2026

In short: MobyMax is ranked #1 of 27 as of 4 October 2026, ahead of Khan Academy and Amplify Classroom. The best-ranked option with a free plan is Khan Academy. The lowest first paid tier on this page is Khan Academy at $0.83/mo.

K-12 curriculum platforms bring learning materials and classroom supports together across grades and subjects. Compare grade band, subject scope, and standards alignment, then consider built-in assessments and teacher tools. LMS integration and offline access may matter for how educators and students use the material. The listed free-plan and paid-from details give further context on access and cost. Kiddom, MobyMax, and Amplify Classroom appear first in the ranking, followed by Khan Academy and Eureka Math. Weigh curriculum coverage and available classroom supports against the needs of your setting.

27 k-12 curriculum platforms ranked on what their makers publish — plans and prices, free tiers, platforms and the facts on their own pages.

27ranked
7free plans on this page
$0.83/molowest paid tier
4 Oct 2026last checked

7 of the 25 here have a free tier you can use, 0 have open-source code on record, and 0 have full bars: free, open, on most of your devices and documented.

#AppSignalFree tierOpen codeDevicesFromScore
1MobyMaxWeb · Windows · Mac · Android · iPhone Three bars—5 of 6$7.99/mo6.8
2Khan AcademyWeb · Android · iPhone Three bars—3 of 6$0.83/mo6.6
3Amplify ClassroomWeb Two bars—1 of 6Free6.4
4Eureka MathWeb Two bars—1 of 6Free6.4
5Illustrative MathematicsWeb Two bars—1 of 6Free6.4
6Oak National AcademyWeb · API Two bars—1 of 6Free6.4
7OpenSciEdWeb Two bars—1 of 6Free6.4
8KiddomWeb · Android · iPhone Two bars——3 of 6$2.25/mo5.6
9Waggle MathWeb · Android · iPhone Two bars——3 of 6—5.6
10Lexia Core5 ReadingWeb · Windows · Mac · Android · iPhone One bar——5 of 6—5.4
11Imagine LearningWeb · Windows · Mac · Android · iPhone Two bars——5 of 6—5.3
12K12 Learning SolutionsWeb One bar——1 of 6—5.3
13Reading EggsWeb · Windows · Mac · Android · iPhone Two bars——5 of 6$8.33/mo5.3
14Common Sense Digital Literacy & Well-Being CurriculumWeb No signal——1 of 6—5.2
15Education PerfectWeb No signal——1 of 6—5.2
16EL Education CurriculumWeb No signal——1 of 6—5.2
17i-Ready Personalized InstructionWeb No signal——1 of 6—5.2
18Savvas OneWeb One bar——1 of 6—5.2
19Zearn MathWeb One bar——1 of 6—5.2
20CK-12 FlexBook 2.0Web No signal——1 of 6—5.1
21MathleticsWeb · Android · iPhone Two bars——3 of 6$8.25/mo5.1
22CENTURYWeb One bar——1 of 6£12.49/mo5.0
23Amira LearningWeb · Windows · Mac · Android · iPhone One bar——5 of 6—4.9
24Reveal MathWeb One bar——1 of 6—4.9
25Cornerstones MaestroWeb One bar——1 of 6—4.8

Is your app on this list?

Numbered spots on this list can be sponsored. They are labelled, and the editorial order and scores never change for payment.

Questions about this list

Which k-12 curriculum platform is ranked first on Freedom251?

MobyMax is ranked #1 of 27 with a score of 6.8. Khan Academy is second and Amplify Classroom third.

How many of these have a free plan?

7 of the 25 on this page publish a free plan on their own pricing pages.

Which is the cheapest paid option?

On this page, Khan Academy has the lowest first paid tier we found: $0.83/mo.

How is this list ranked?

Ranked free-and-open first: a usable free tier and open-source code, then the platforms it runs on and its documentation. Paid placements never change a rank.

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