AmblesideOnline
Faith-based K-12 (Year 0 through Year 12, plus bridge years) All-in-one (multi-subject) Charlotte Mason
Typical price: Free (books sourced separately)
Next sale: Free resource.
Programs listed as free (some have paid extras), plus their sale pages for any paid parts. 10 programs, checked Oct 17, 2026.
Worldview, grades and style follow each publisher's description. "Next sale" is an announced date when one exists, otherwise our estimate from past sale timing, clearly marked. Always confirm on the brand's site.
Before you buy, see when it has gone on sale. The free 23-page calendar covers 182 brands, plus a budget tracker.
Faith-based K-12 (Year 0 through Year 12, plus bridge years) All-in-one (multi-subject) Charlotte Mason
Typical price: Free (books sourced separately)
Next sale: Free resource.
Secular Grades 6-8 Science Traditional / mastery
Typical price: Free
Next sale: Free resource.
Secular PreK-8 (CKLA PreK-8; CKHG K-8; CKSci K-8; math units still in development) All-in-one (multi-subject) Traditional / mastery, open-and-go
Typical price: Free download (print versions purchasable)
Next sale: Free resource.
Secular 3-adult Math Traditional / mastery
Typical price: Free with in-app purchases ($4.99-$49.99 tiers)
Next sale: Free resource.
Secular K-12+ All-in-one (multi-subject) Traditional / mastery, open-and-go
Typical price: Free; Khanmigo $4/month or $44/year (one parent account covers up to 10 children)
Next sale: Free resource.
Secular K-12 (into intro college) Science Interest-led
Typical price: Free
Next sale: Free resource.
Secular 1-6 Language arts Interest-led
Typical price: Free tier, then $9.99/month or $89.99/year (one purchase covers unlimited kids)
Next sale: Free resource.
Faith-based PreK-High School (LA & Math free PDFs K-8) All-in-one (multi-subject) Traditional / mastery
Typical price: Free (LA + Math K-8 PDFs); print sets low-cost (e.g. LA L4 $79.94, L5 $89.92)
Next sale: Estimate: November 2026, based on the Nov 18 to Dec 5, 2025 sale listed below. This is our estimate from past timing, not an announcement.
Secular K-5 Science Classical
Typical price: Free curriculum downloads ยท Materials kits $50-200+ per unit
Next sale: Free resource.
Secular K-5 Math Traditional / mastery, open-and-go
Typical price: Free (basic) / $150-300/yr (school license)
Next sale: Free resource.
Some free plans cover every subject, such as AmblesideOnline for Charlotte Mason families. Others, such as PhET simulations, cover one subject. You may still need to buy or borrow books.
All curriculum topics · Full sale calendar
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