Online Secular Homeschool Curriculum: Best Programs Without Religious Content

Finding a fully secular online homeschool curriculum is harder than it should be. Most all-in-one boxed programs — Sonlight, Abeka, My Father's World, The Good and the Beautiful — are built on a Christian worldview, with creation science in biology, biblical history woven into social studies, and scripture in language arts. Secular families who want evolution taught accurately, history taught without theological framing, and science free from Young Earth assumptions have to work to find options that match.

The good news: the online secular curriculum market has improved significantly. This guide covers the best programs by grade level and approach, including which are truly fully secular versus "faith-neutral" (which is not the same thing).

What "Fully Secular" Actually Means

"Secular" in the curriculum world means different things:

• Fully secular: Evolution taught as established science, no biblical history integrated, no religious worldview in any subject. Examples: Real Science Odyssey, History Odyssey, Blossom and Root.
• Faith-neutral: No explicit religious content, but evolution may be avoided or soft-pedaled, and some programs skip topics that would conflict with a creationist worldview. Examples: Saxon Math (neutral by omission, not design), some Teaching Textbooks science add-ons.
• Christian-worldview but "neutral-claiming": Programs marketed as "mere Christian" or "non-denominational" that still integrate scriptural themes or use creationist frameworks in science. Example: The Good and the Beautiful (frequently cited in this category in secular homeschool forums).

If you're in a secular family, "faith-neutral" may be acceptable for math or grammar but is almost certainly not acceptable for science or history.

Best Fully Secular Online Homeschool Programs

Time4Learning

Grade range: PreK–12 Cost: $29.95–$44.95/month (varies by grade level) Worldview: Secular — teaches evolution, standard earth science Format: Web-based, animated lessons with automated grading Best for: Families wanting a low-prep, all-subjects-in-one online platform

Time4Learning is the most widely used secular online curriculum for K–8. Lessons are animated and gamified, which works well for elementary-aged kids who do better with visual engagement than with workbooks. The science curriculum teaches evolution and uses standard scientific frameworks. It is not rigorous for academically advanced students but covers grade-level standards adequately.

For high school, the program is weaker — many secular families use it through 8th grade and switch to subject-specific programs or dual enrollment for 9–12.

Khan Academy

Grade range: K–12 Cost: Free Worldview: Secular Format: Video-based, self-paced, with mastery exercises Best for: Math primarily; a supplement rather than a complete curriculum

Khan Academy is explicitly secular. The math curriculum is excellent, sequenced well, and used as a primary math program by many secular homeschoolers from K through early algebra. Science and history content exists but is less complete than the math track — treat it as a strong supplement rather than a standalone curriculum.

Connections Academy / K12

Grade range: K–12 Cost: Free (state-funded) Worldview: Secular (public school curriculum) Format: Full online school with teachers, live classes, required attendance Best for: Families who want a structured, accredited secular school-at-home

This is technically public school delivered online, not homeschooling. Families get a fully secular curriculum for free, but they trade the flexibility of homeschooling for live teacher oversight, mandatory attendance tracking, and state-mandated testing. It works well for families who want secular content and accreditation without the cost of private online schools.

Note: K12 Inc. (the company) and its programs have drawn criticism for teacher working conditions and for academic rigor in some states. Results vary significantly by state implementation.

Acellus / Power Homeschool

Grade range: K–12 Cost: $25/month Worldview: Secular Format: Video lecture-based, self-paced Best for: Self-directed learners who do well with video instruction

Power Homeschool (Acellus) is secular and covers K–12 across all core subjects via short video lectures. It has faced controversy over content in some elective courses and has had pricing disputes with families. The core academic content (math, science, English) is standard secular curriculum. Many secular families use it as a budget-friendly complete curriculum.

Outschool

Grade range: K–12 Cost: $10–$20/class (individual classes); no subscription Worldview: Varies by teacher, but platform is secular Format: Live online classes via Zoom, taught by independent educators Best for: Supplementing a home curriculum with live teacher interaction and electives

Outschool is a marketplace of individual online classes. It is not a complete curriculum on its own, but it fills the gap that most secular all-in-one programs can't fill: live instruction, socialization, and specialized elective topics. Secular science, secular history, creative writing, foreign languages, and STEM classes are available. Families use it to add structure and community to an otherwise self-paced curriculum.

The All-in-One Secular Challenge

The honest answer to "what's the best all-in-one secular online curriculum?" is that the market is still thin. Most all-in-one boxed curricula are Christian. Secular families have two realistic options:

Option 1: Use a platform like Time4Learning as the backbone and supplement with Khan Academy for math reinforcement and Outschool for live classes and electives. This gets you a complete secular program for roughly $30–$50/month.

Option 2: Patchwork by subject — Real Science Odyssey or Mystery Science for science, History Odyssey for history, Math-U-See or Singapore Math for math, Brave Writer for writing. Fully secular across every subject, but requires more parent coordination.

The patchwork approach is what most experienced secular homeschoolers end up doing. It takes more planning up front but allows you to match each subject to your child's learning style rather than being locked into one platform's teaching method.

Bookshark and Timberdoodle

Two all-in-one programs specifically designed for secular or non-religious families deserve mention:

Bookshark: A secular all-in-one curriculum that uses real books (living books approach, similar to Sonlight but without religious content). Packages run $500–$1,000/year. The science is secular and includes evolution. History is taught through diverse perspectives. One of the few premium secular all-in-one options.

Timberdoodle: Non-religious (not explicitly secular, but no religious content). Known for their hands-on STEM components and Montessori-influenced kits. Curriculum bundles are customizable, and they're transparent about worldview status in each component.

Evaluating a "Secular" Claim

When a publisher markets a program as secular or non-religious, verify in the science and history components specifically. Check: - Does the science curriculum include evolution by name and teach it as established science? - Does the history curriculum reference Biblical timelines (young earth) or treat biblical narratives as historical fact? - Does the language arts curriculum include devotional content, scripture copying, or prayer components?

Many programs claim to be neutral but encode a worldview in subject selection — for example, covering Intelligent Design alongside evolution as an "alternative theory" in science. If full secularity is important to your family, check the r/secularhomeschool subreddit, which maintains community-sourced reviews organized by worldview status.

Comparing secular online curricula against each other — by cost, rigor, learning style fit, and actual worldview — is exactly what the United States Curriculum Matching Matrix is designed for. It maps 200+ programs with worldview tags so you can filter to genuinely secular options across every subject before spending money.