| | Established | 1897 |
| | Level | Higher Secondary |
| | Type | Co-Educational |
| | Board | State Board |
| | Medium of instruction | Tamil |
| | No. of students | 722 |
| | No. of Teachers | 50 |
Ghss, Kalappal's location is at Kottur, Thiruvarur. There are 25 dedicated and professional faculty members who impart quality education to children in this State Board school.
Ghss, Kalappal was launched in 1897. Tamil is the primary medium of instruction for this school and the student teacher ratio is 28:1. The school takes pride of its excellent teaching methodology.
The school provides education to students from class 6 to 12. This school has approximately 722 as student strength. The library in this school has 2600 books.
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 50% scoring first grade.
| School Code | 33200800802 |
| Status of Building | Government |
| Total Classrooms | 4 |
| Student Teacher Distrubution | Teachers 50 | Student 722 | |
| Boys to Girls Ratio | Boys 358 | Girls 364 | |
| Students Distribution | Primary 0 | Secondary 511 | Hr.Secondary 211 |
