Best Secular Math Curriculum

Fully accredited online K-12 school with WASC accreditation, AP courses, NCAA-approved cores, and military Tier I status. Same video content as Power Homeschool but with diploma, transcripts, and teacher support.

Live online math tutoring delivered via webcam by trained Mathnasium instructors. Uses the proprietary Mathnasium Method. ESA-eligible in multiple states including AZ, FL, TN, UT, WV, and IA.

Gamified RPG math platform where wizard-themed battles are gated by adaptive math questions. Standards-aligned, free base game, ESA-approved in multiple states.

Voice-guided AI math tutor for ages 5-11 that adapts to how the child thinks, not just whether they got the right answer. Family plan covers up to 7 kids for $119/yr.

Secular self-paced PreK-12 full curriculum with animated lessons, automated grading, and recordkeeping. Most popular secular all-subjects digital subscription.

Marketplace of independent teachers offering 140,000+ live small-group video classes, 1:1 tutoring, and self-paced courses for ages 3-18. Supplemental enrichment, not a full curriculum.

Self-paced video curriculum sharing identical content with Acellus Academy but without enrollment, accreditation, or teacher support. Significant 2025 price increase from ~$31/mo to $99/mo.

Khan Academy's GPT-4-powered Socratic AI tutor. Guides students to answers rather than giving them. Integrates with Khan content across math, science, humanities, AP, and SAT prep. $44/yr covers up to 10 children.

Adaptive skill-by-skill practice platform with over 17,000 standards-aligned skills across math, language arts, science, social studies, and Spanish. Strongest as practice and diagnostic, not initial instruction.

Affordable, conceptual mastery math curriculum with self-teaching worktexts. Strong on mental math and number sense. Available as printable PDFs.

Animated explainer videos with Tim and Moby covering 800+ topics in science, social studies, ELA, math, and arts. Strong supplement for visual learners and topic intros.

Gamified language-learning app with streaks, XP, and AI-adaptive lessons across 40+ languages. Best as supplemental vocab and exposure; insufficient on its own for high school foreign-language credit.

Advanced problem-solving math for gifted elementary students, presented through comic-book-style Guide Books and an interactive online platform.

NGSS-aligned K-8 science and Common Core math video lessons with kid hosts, paired with lesson plans, worksheets, and hands-on activity guides. Top secular science supplement.

Free, nonprofit, mastery-based online learning platform spanning PreK through college. Short video lessons paired with adaptive practice and unit tests, especially strong in math and SAT prep.

Gamified phonics and reading platform for ages 2-13 with bundled Mathseeds for early math. Self-paced with placement testing, designed for engaging early literacy practice.

Waldorf-inspired secular curriculum emphasizing creativity, nature, and hands-on learning. Offers both independent homeschool materials and an accredited distance-learning school option.

Adaptive, gamified K-8 math platform with virtual manipulatives and an intelligent learning engine that tracks tens of thousands of data points per session. Especially strong in K-5.