St. Bernadette of Lourdes School is accredited by the Middle States Association of Colleges and Schools, a nationally recognized program that promotes schools with an exceptional record of student achievement, staff development, and strategic planning, and maintains membership in the National Catholic Educational Association.

St. Bernadette School was granted accreditation for the period April 7, 2022 through
July 1, 2029 from the Middle States Association of Colleges and Schools Commission on Elementary Schools Pre-Kindergarten through grade 8. The Middle States Evaluating Team commended "the Principal, faculty, and staff for providing an environment that nourishes strong Catholic values integrated into the curriculum and life of the school." The faculty was commended "for creating an atmosphere of genuine love, respect, and concern which helps each child attain a healthy positive self-image."