TEEI (The Educational Enrichment Initiative) is an accreditation agency focusing solely and exclusively on supplemental, tutoring, remedial, and testing centers. Join TEEI's list of safe places where kids can learn. TEEI is an approved agency by the PA Department of Education, allowing centers to hold accreditation in lieu of licensing. TEEI is not just for PA, but for all center owners or directors nationwide and internationally who want to ensure excellence in supplemental education. Learned more about why TEEI accreditation is needed. View the process for achieving TEEI Accreditation.