Key takeaways
Legacy Online School and The Keystone School are both accredited private online K-12 programs, but they’re built for different kinds of learners. Keystone runs a fully self-paced, correspondence-style model with no live classes at any tier. Legacy’s core model is live, teacher-led classes in small groups.
- Keystone has no live classes at all; Legacy’s Live Group classes are the default, capped at 15 students.
- Keystone’s tuition runs about $1,800-$2,900/year; Legacy starts at $149/month (~$1,788/year) – similar cost, very different instructional model.
- Both Keystone and Legacy have NCAA-approved courses (Legacy is Cleared with the NCAA Eligibility Center and has 47 NCAA-approved core courses).
- Keystone doesn’t advertise a named dual-enrollment university partner; Legacy names Arizona State University and the University of South Florida.
Contents
We are a US-accredited international online school that coexists with local schooling. Families are responsible for ensuring compliance with any local education requirements applicable to their situation.
Summary Table
| Feature | Legacy Online School | The Keystone School |
| Accreditation | WASC, private diploma | Cognia + Middle States (MSA-CESS) |
| Instructional model | Live Group classes + self-paced option | Fully self-paced, no live classes |
| Class size / ratio | Capped at 15, 1:15 ratio | No class cohort (self-paced) |
| Tuition | $149/month (~$1,788/year) | ~$1,800-$2,900/year |
| Student support | Personal Learning Support Specialist (LSS) | Personal success advisor, email/phone |
| AP courses | College Board Level I-approved (code 000114) | Available, enrolled course by course |
| Dual enrollment | Arizona State University, University of South Florida | No named university partner |
| NCAA course approval | Cleared with the NCAA Eligibility Center (47 NCAA-approved core courses) | Approved |
Accreditation
Legacy is accredited by ACS WASC, while Keystone holds accreditation by Cognia and the Middle States Association (MSA-CESS). Both issue recognized private-school diplomas – the accrediting bodies differ (West Coast regional vs. Middle States).
Instructional Model: The Core Difference
Keystone is a self-paced, course-by-course program – students work through material independently with on-demand teacher support by email or phone, closer to a correspondence-school model, with responses typically arriving within one business day. There are no scheduled live classes at any tier. Legacy’s Live Group plan puts a teacher in front of a small class every school day, capped at 15 students, a 1:15 ratio. Students who want daily face-time with a teacher and classmates get that at Legacy; students who want to move independently at their own pace with minimal scheduled interaction may find Keystone’s model a better fit.
Tuition
Keystone’s full-time cost lands around $1,800-$2,800 a year depending on course load – courses are priced individually, from roughly $289 for a half-credit elective to $549 for an AP course. Legacy’s tuition starts at $149/month (see tuition and fees) – about $1,788/year on the Self-Paced plan, in the same range as Keystone. The real comparison here isn’t price; it’s what that price buys: independent coursework at Keystone versus daily live teaching at Legacy.
Student Support
Keystone assigns a personal success advisor, reachable by email or phone, responding within one business day. Legacy provides a dedicated Learning Support Specialist (LSS) who handles scheduling, attendance, and academic questions directly, alongside daily access to live teachers.
AP Courses and Dual Enrollment
Keystone offers AP courses individually, enrolled course by course. Legacy’s AP courses run through College Board Level I status, school code 000114 – see the AP courses page. For dual enrollment, Legacy names Arizona State University and the University of South Florida as partners. Keystone doesn’t advertise a named university dual-enrollment partnership as part of its standard program.
NCAA Eligibility
Keystone’s core high school courses are NCAA-approved, and so are Legacy’s: the school is Cleared with the NCAA Eligibility Center and has 47 NCAA-approved core courses. Families targeting NCAA Division I or II eligibility should verify current status with the NCAA Eligibility Center before enrolling anywhere.
Why Families Choose Legacy Over The Keystone School
- Daily live teaching, not a purely independent, email-supported model.
- A dedicated Learning Support Specialist, plus live teacher access every school day.
- Named university dual enrollment – Arizona State University and the University of South Florida.
- Comparable price, with live instruction included rather than absent.
Where Keystone leads: a self-paced model that suits students who want to work fully independently.
Top Tips from Our Expert
Maya Robinson, College Prep Advisor
- If your student thrives with structure and daily accountability, a fully self-paced model can be harder than it sounds – ask how the school checks in when a student falls behind, not just how flexible it is.
- Response time matters more than it seems on paper. Ask what “next business day” support actually looks like during a busy exam week.
- Course-by-course AP enrollment can add up in cost and complexity – get a full-year estimate before committing, not just a per-course price.
- If NCAA eligibility is a priority, confirm it directly with the NCAA Eligibility Center rather than relying on either school’s own claim.
We are a US-accredited international online school that coexists with local schooling. Families are responsible for ensuring compliance with any local education requirements applicable to their situation.
