Bar-T SCHOOL AGE TEACHER- Job Description. WOOD ACRES ELEMENTARY SCHOOL CENTER5800 Cromwell Drive, Bethesda, MD 20816. . Company background: Bar-T was established in the 1960’s. Bar-T provides before and after school childcare throughout the Montgomery County area. Bar-T childcare centers are located in various public elementary schools, where we provide care to school age children in the mornings and afternoons. During the summer season, Bar-T p...