| | Established | 1960 |
| | Level | Higher Secondary |
| | Type | Co-Educational |
| | Board | State Board |
| | Medium of instruction | Tamil |
| | No. of students | 476 |
| | No. of Teachers | 31 |
Mandapam in Ramanathapuram has a school named Gt.Hss. The children get the most out of their education as they are taught by a team of 17 professional and dedicated faculties in this State Board school.
Gt.Hss was launched in 1960. With the student teacher ratio being 28:1 the primary medium of instruction is Tamil and English as secondary medium. The school takes pride of its excellent teaching methodology.
This school runs classes from 6 to 12 to provide education to students. The current student strength of the school is approximately 476. 4980 books are there in the library of this school.
The school has given exceptional results in the academic sphere and its students have excelled in extra co-curricular activities too. 100% qualify examination with 61% scoring first grade.
| School Code | 33271108201 |
| Status of Building | Government |
| Total Classrooms | 5 |
| Student Teacher Distrubution | Teachers 31 | Student 476 | |
| Boys to Girls Ratio | Boys 238 | Girls 238 | |
| Students Distribution | Primary 0 | Secondary 282 | Hr.Secondary 194 |
