Nacogdoches ISD & SFA have good results with free testing sites on campuses Nacogdoches ISD & SFA have good results with free testing sites on campuses By Donna McCollum | January 8, 2021 at 3:18 PM CST - Updated January 8 at 7:51 PM NACOGDOCHES, Texas (KTRE) - Free COVID-19 testing is now more readily available for teens, young adults and educators in Nacogdoches. The detection of positive cases can be determined quickly at SFA and Nacogdoches ISD. The state provided over 3800 COVID-19 antigen testing kits to Nacogdoches ISD for January. Right now, theyâre for symptomatic students, faculty and staff. âIf the parents give us permission, we electronically get that signature done and then --- here we go,â said Nita Reynolds, Nacogdoches High School nurse prior to being tested for demonstration purposes.