| Name | Address | Phone No. |
| Government Higher Secondary School | Allinagaram, Theni | |
| Konduraja Memorial Higher Secondary School | N.R.T. Nagar, Theni | |
| Theni Kammavar Sangam Matriculation School | Kamarajar Road, N.R.T. Nagar, Theni | 04546-253399, 04546-253322 |
| Nadar Saraswathi Boys Higher Secondary School | Forest Road, Theni | 04546 – 252310 |
| Nadar Saraswathi.Girls Higher Secondary School | Edamal Street, Theni | 04546 – 252296 |
| Presentation Convent Girls Higher Secondary School | Periyakulam Road, Theni | |
| R.C. High School, Theni | Madurai Road, Theni | |
| Mary Matha CMI Public School | Madurai Road, Theni | 04546 – 260231, 255481 |
| Mary Matha Matric School | C.M.I. Centre, Madurai Road, Theni |
+91 4546 260232 +91 8012547604 |
| The Little Kingdom School | Periyakulam Road, Theni | +91 4546 321011 +91 4546 252342 |
| Velammal Matriculation Hr.Sec. School | Pennicuic Gardens, Theni – Kumuli National Highway, Theni | 04546 – 264215, 264218,265159 |
| Velammal Vidyalaya (CBSE) | Pennicuic Gardens, Theni – Kumuli National Highway, Theni | +91-4546-264216-264217, 8056653233 |
| Theni Melapettai Hindu Nadar Uravinmurai Matriculation Higher Secondary School | Muthuthevanpatti, Theni | 04546 – 265890 |
| Theni Melapettai Hindu Nadar Uravinmurai Matriculation Junior School | Edamal Street, Theni | 04546-255790 |