The schools are supported by a non-profit organization whose members are committed Christians from various evangelical churches of the national regional church, independent churches and Christian assemblies.

FESB e. V. is an acknowledged non-profit association. It is not linked to a certain confession or political party.

The association is a founding member of the “Verband der Evangelischen Bekenntnisschulen in Deutschland e.V., VEBS” (Association of Evangelical Confessional Schools in Germany membership corporation). FESB e. V. is furthermore a member of the “Association of Christian Schools International“ (ACSI) - an association which assists in establishing partnerships abroad - and of the "Verband deutscher Privatschulen Landesverband Berlin-Brandenburg e. V.".

The association’s bodies are the executive board and the general meeting.