What type of school is funded by public money but operates independently of the established state school system?

A type of educational institution that receives public money but functions outside the direct control of the established state school system is known as a charter school. These schools are publicly funded, meaning they do not charge tuition and are open to all students, much like traditional public schools. However, their defining characteristic is their operational independence. They operate under a specific "charter" or contract with an authorizing entity, which could be a state agency, university, or local school district. This charter outlines the school's mission, academic goals, and operational structure, granting them more flexibility than district-run schools.

This autonomy allows charter schools to innovate in areas such as curriculum design, teaching methods, and even school schedules, often aiming to create specialized learning environments or address specific student needs. For example, a charter school might focus on STEM, arts, or a particular teaching philosophy. In exchange for this increased flexibility, charter schools are held to strict accountability standards for student performance and financial management. Failure to meet these goals can result in the revocation of their charter.

The concept of charter schools emerged in the early 1990s, with Minnesota passing the first charter school law in 1991. They were conceived as a way to foster innovation in public education and offer families more choices within the public school system. While they receive public funding, often on a per-pupil basis, charter schools may receive less overall funding than traditional public schools, particularly from local property taxes, and often rely on grants and private donations to supplement their budgets and cover facility costs.