What is a Charter Schools?
A charter school is a tuition-free public school that operates independently of the local school district under a "charter" — a performance contract with a public authorizer. Charters have more freedom over curriculum, schedule, staffing, and approach than traditional district schools, in exchange for being held accountable for results. If a charter fails to meet its goals, its charter can be revoked and the school closed.
History & origins
The charter concept was pioneered in the US in 1991, when Minnesota passed the first charter school law, with the first charter opening in 1992. The idea spread rapidly; today the great majority of states (plus D.C.) have charter laws, and charters educate several million students nationwide.
Philosophy & approach
Charters are built on a bargain of autonomy for accountability: freed from many district rules, they can innovate — longer school days, distinctive curricula, specialized missions (college prep, STEM, arts, dual-language, "no-excuses," project-based) — but must deliver on the academic and operational promises in their charter to stay open.
Curriculum & academics
There is no single charter curriculum. Each school sets its own academic program within state standards and testing requirements. Many charters organize around a specific model or theme, so academics vary widely from one charter to the next.
The classroom & school day
Because charters control their own schedules and culture, day-to-day experience varies: some run longer days and years, adopt uniforms and structured behavior systems, or center a particular pedagogy. Class sizes and facilities differ by school and funding.
Grade levels & structure
Charters span elementary through high school; many start with a few grades and "grow" a grade each year. Some are single-level (elementary-only), others are full K–12 or part of multi-school networks.
Admissions & enrollment
Charters are open to all students in their area and cannot charge tuition or select by ability. When more students apply than there are seats, admission is by random lottery (sometimes with weighted preferences, e.g., siblings or neighborhood). There is no entrance exam.
Costs & financial aid
Charter schools are free — they are public schools funded with public per-pupil dollars. Funding levels and facilities support vary by state, which affects programs and resources.
Accreditation & governance
Each charter is authorized and overseen by a public entity (a state board, district, university, or independent authorizer, depending on the state) and is held to state academic standards and testing. Charters undergo periodic renewal reviews; persistent underperformance can lead to closure.
Is a Charter Schools right for your child?
A charter can be a strong fit for families seeking a specific mission or approach — or an alternative to their assigned district school — at no cost. Because quality varies, families should research an individual charter's track record, model, and stability rather than assume all charters are alike.
How it compares to other schools
Charters are public (free, non-selective, publicly accountable), unlike private schools (tuition, independently governed). They differ from magnet schools, which are district-run themed public schools; charters are independently run. They share district schools' funding source but not their governance.
Finding Charter Schools
Ready to explore specific schools? K12 Academics lists thousands of schools of every type across the country.
Key facts
- TypeTuition-free public school
- Runs onA "charter" (performance contract) with a public authorizer
- AdmissionOpen to all; random lottery when oversubscribed
- OriginMinnesota, 1991 (first US charter law)
- AutonomyMore freedom than district schools, in exchange for accountability
- CostFree
Where to learn more
To learn more and find specific schools: