HOUSTON – Galveston Independent School District will offer access to rapid COVID-19 tests to symptomatic students and staff. The tests will allow them to test students and staff members at schools with Teen Health Center facilities. There are five Teen Health Center Facilities within Galveston ISD. Brown said the rapid COVID-19 tests are 98% accurate and are available within 15 minutes of taking the test. Rudolph said about 20 rapid COVID-19 tests were performed Thursday.