Happy High School
| School Name | Happy High School |
| Address | Shamri, Mundlana, Sonipat, Haryana |
| Location | Shamri |
| City | Sonipat |
| District | Sonipat |
| State | Haryana |
| Pincode | 131306 |
| Category | Secondary School |
| Block | Mundlana |
Happy High School is located in Shamri, Mundlana, Sonipat, Haryana and was established years ago. The school is a Co-educational and is located in Rural area. This is a Secondary school and is currently closed. The school is managed by Private Unaided (Recognized).
None of the teachers are trained in Computer.
The school is in a private building and it has other boundary walls.