Complex sentence: About 500 young people between the ages of 6 to 14 attend this summer Bible Camp every year at no charge; all camp staff are volunteers including 22 teachers, 4 Pastors, and a full time doctor, only the food preparation staff is paid.
Split into simpler sentences: About 500 young people between the ages of 6 to 14 attend this summer Bible Camp every year at no charge. All camp staff are volunteers, including 22 teachers, 4 Pastors, and a full time doctor; only the food preparation staff is paid.