sentences:  The School's governance was turned over to a lay educational trust, after which boarding was discontinued and lay senior staff and a board of governors were appointed to replace the Sisters.In 1996 the school became fully co-educational, after the appointment of Nuala Shepley as Head Mistress in 1992.The 1990s and 2000s saw the rapid construction of further classrooms, Science laboratories, a Music/Drama block, Sports Hall, an Art/Technology block, and the development of further playing fields on former farmland adjacent to the Senior School.