St Thomas High School Mayannur
| School Name | St Thomas High School Mayannur |
| Address | Mayannur, Muthedathpadi, Kondazhy, Pazhayannur, Thrissur, Kerala |
| Location | Mayannur |
| City | Thrissur |
| District | Thrissur |
| State | Kerala |
| Pincode | 679105 |
| Category | Higher Secondary School |
| Block | Pazhayannur |
St Thomas High School Mayannur is located in Mayannur, Muthedathpadi, Kondazhy, Pazhayannur, Thrissur, Kerala. Established 84 years ago, this school is a Co-educational and is located in Rural area. This is a Higher Secondary school and is currently operational. It's affiliated with State Board for class-X & class-XII exams. The school is managed by Government Aided. It comes under Chelakkara assembly constituency. This is primarily Malyalam medium school but English is also spoken during classes.
| Class I to V | 123 Students |
| Class VI to VIII | 572 Students |
| Class IX to XII | 792 Students |
| Total Students | 1487 Students |
| Total Teachers | 59 Teachers |
| Student-Teacher Ratio | 25:1 |
| Student-Classroom Ratio | 41:1 |
The institution has enrolled around one thousand five hundred students and has 59 teachers to teach them, thus making the student-teacher ratio of 25 students per teacher. All of the teachers are appointed on Regular basis. Fifteen teachers are Male and remaining 44 are Female. In terms of Academic qualification two teachers are Below Graduate, sixteen are Graduate and rest 41 are Post Graduate. 23 teachers are trained in Computer. The student classroom ratio is 41:1, means on an average forty one students sit in a classroom which is good. There are 123 students in class I to V, 572 students in class VI to VIII and 792 students in class IX to XII.
The school is in a private building and it has barbed wire fencing. The school has total thirty six clasrooms and eight other rooms. The school has internet facility for students. The school has thirty eight laptops, four desktops, one scanner, four printers, two LEDs, two webcams and one generator in its premises. There is reading corner, library and book bank for students. There are sixteen boys toilets, twelve girls toilets and four cwsn toilets for students. The school has both hand wash facility and drinking water facility for people.