| | Established | 1962 |
| | Level | Higher Secondary |
| | Type | Co-Educational |
| | Board | State Board |
| | Medium of instruction | Tamil |
| | No. of students | 343 |
| | No. of Teachers | 29 |
Ghss Umbalacheri is located in Thalainayar, Nagapattinam. It is a State Board school, with a team of 15 dedicated and professional faculties, which are here to ensure that the children get the most from their education.
In 1962, Ghss Umbalacheri was launched. With the student teacher ratio being 22:1 the primary medium of instruction is Tamil. The school takes pride of its excellent teaching methodology.
Students from 6 to 12 are taught in this school. This school's student strength is approximately 343. 320 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 75% scoring first grade.
| School Code | 33190502001 |
| Status of Building | Government |
| Total Classrooms | 3 |
| Student Teacher Distrubution | Teachers 29 | Student 343 | |
| Boys to Girls Ratio | Boys 178 | Girls 165 | |
| Students Distribution | Primary 0 | Secondary 264 | Hr.Secondary 79 |
