All six South Texas Independent School District (STISD) schools – South Texas ISD Health Professions in Mercedes, South Texas ISD Medical Professions in Olmito, South Texas ISD Preparatory Academy in Edinburg, South Texas ISD Rising Scholars Academy in San Benito, South Texas ISD Science Academy in Mercedes and South Texas ISD World Scholars in Edinburg – will be closed for two weeks following the district’s Spring Break. The closure is currently scheduled from March 23 through April 3, and will include all staff with the exception of “Essential Staff.” This means that district and campus administrators, food service personnel, transportation/maintenance ...