School prayer, in the context of religious liberty, is state-sanctioned or mandatory prayer by students in public schools. Depending on the country and the type of school, state-sponsored prayer may be required, permitted, or prohibited. Countries which prohibit or limit school prayer often differ in their reasons for doing so. In the United States, school prayer cannot be required of students in accordance with the Establishment Clause of the First Amendment to the United States Constitution. This is generally rigorously applied in public schools; the Establishment Clause does not prevent prayer in private schools that have no public funding. In Canada, school-sponsored prayer is disallowed under the concept of freedom of conscience as outlined in the Canadian Charter on Rights & Fundamen