General School Information Contact Information Phone:  (210) 888-9483 E-mail:  GHNOinfo@greatheartstxschools.org School Hours 7:50am – 3:30 p.m. (Lower and Upper School) 7:50am – 1:20 p.m. (Early Release – Lower and Upper School) Parent Access SchoolMint This is our new enrollment system for the 22-23 school year and beyond. Please use this system to submit first-time and … Continue reading Parent Resources