Best Charter Schools in St. Petersburg tuition-free
16 schools match. Top 10 ranked by size, tuition fit, and freshness of our data.
St. Petersburg has 16 charter K-12 schools in our database, drawn from FLDOE, NCES, and direct outreach to school directors. All schools on this page are tuition-free charter campuses. St. Petersburg has the highest concentration with 15 schools, followed by St Petersburg (1).
Charter schools are publicly funded, tuition-free, and admit by lottery when over-subscribed. Most accept applications via a single window in late winter; siblings, in-district residents, and prior-year applicants typically get preference. Every school is re-verified through direct outreach to admissions teams; data is refreshed on a 180-day cadence and timestamped on each profile.
See also: Under $20K/yr, Scholarship-friendly.
- 1
Pinellas Mycroschool Of Integrated Academics And Technologies (mycroschool Pinellas)
St Petersburg, Pinellas County · Grades 9-12
- Tuition
- Free
- Type
- charter
- ~250 students
- 2
Pinellas Preparatory Academy
St. Petersburg, Pinellas County · Grades
- Tuition
- Free
- Type
- charter
- ~10 students
- 3
Academie Da Vinci Charter School
St. Petersburg, Pinellas County · Grades
- Tuition
- Free
- Type
- charter
- 4
Athenian Academy
St. Petersburg, Pinellas County · Grades
- Tuition
- Free
- Type
- charter
- 5
Plato Academy Clearwater
St. Petersburg, Pinellas County · Grades
- Tuition
- Free
- Type
- charter
- 6
St. Petersburg Collegiate High School
St. Petersburg, Pinellas County · Grades
- Tuition
- Free
- Type
- charter
- 7
Plato Academy Palm Harbor Charter School
St. Petersburg, Pinellas County · Grades
- Tuition
- Free
- Type
- charter
- 8
Pinellas Academy of Math and Science
St. Petersburg, Pinellas County · Grades
- Tuition
- Free
- Type
- charter
- 9
Discovery Academy of Science
St. Petersburg, Pinellas County · Grades
- Tuition
- Free
- Type
- charter
- 10
Plato Academy Largo Charter School
St. Petersburg, Pinellas County · Grades
- Tuition
- Free
- Type
- charter
How we rank these schools
Built relationships, not scrapers. AdmitCompass ranks schools using a composite score that blends four signals: enrollment size (a proxy for stability and program breadth), tuition reasonableness within the local market, freshness of our most recent verification, and a small bonus for schools with full admissions detail published on their profile.
Public data comes from the Florida Department of Education (FLDOE), the National Center for Education Statistics (NCES), and each school's own admissions pages. The information that actually matters to most families — acceptance rates, deadlines, what a director cares about — comes from direct interviews with school directors and admissions coaches across our active markets.
We do not publish scoring weights or per-axis thresholds. That keeps the moat intact: the rankings reflect actual conversations with people inside schools, not a formula anyone with a crawler could clone. Every profile is re-verified on a 180-day cadence, and the "last updated" date is timestamped on every school page.
Frequently asked questions
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