One-time license. Lifetime use. Two tiers, depending on how deep you want to go.
Lessons
$49one-time
The full K–6 curriculum library, yours forever.
•All 2,697 lesson cores
•K through Grade 6, complete
•All 7 subjects: Math, Language Arts, Science, Social Studies, Art, Music, PE
•JSON format, ready to ingest
•Pedagogy-blended (Montessori, Charlotte Mason, Classical, Project-based)
•One-time payment, lifetime access
•Personal household homeschool use only
Best value
Lessons + Engine
$89one-time
Everything above, plus the engine that runs Arc School.
•Everything in Lessons
•Arc School engine source
•Mastery model (decides when a child is ready to move on)
•Adaptive pacing logic
•Pedagogy weights across grades and subjects
•Recommendation system
•Integration documentation
•Personal household homeschool use only
How everything fits
Three ways to use Arc School. Pick what fits.
Product
Free
Paid
Softwareschool.arclabshq.com
Full curriculum, daily schedule, observation tracking
Mastery dashboards, AI assistance, progress reports$15 / $25 per month
MCP ConnectorGPT now, MCP next
Arc School GPT demo + MCP updates
License-key unlock pathLaunching soon
LicenseLifetime ownership
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Lessons / Lessons + Engine$49 / $89
Software and license pricing are live today. Connector pricing arrives with the AI behaviors. All pricing subject to change. Schools, co-ops, tutoring programs, churches, microschools, and other organizations should get in touch for a business license.
