| Abbreviation | Definition |
|---|---|
| GT | Gifted and Talented |
| GT | Grade Time |
| GTA | Government Teaches Alphabets |
| GTC | General Teachers Council |
| GTC | Gifted Talented And Creative |
| GTCPN | Greater Toronto Catholic Parent Network |
| GTDRI | Georgia Teacher Duties and Responsibilities Instrument |
| GTE | General Theory of Evolution |
| GTEP | Georgia Teacher Evaluation Program |
| GTEP | Graduate Teacher Education Program |
| GTES | Gwinnett Teacher Effectiveness System |
| GTEU | Guangxi Teachers Education University |
| GTF | Gateway To Friendship |
| GTGS | Gambia Teachers for Gambian Students |
| GTIP | Graduate Teacher Induction Program |
| GTL | Going Through Life |
| GTL | Great Teacher Largo |
| GTL | gym tan and learning |
| GTME | Great Touch Massage Education |
| GTO | Girls Together Occasionally |