Sx High School Chemmannar
| School Name | Sx High School Chemmannar |
| Address | Chemmannar, Udumbanchola, Nedumkandam, Painavu, Kerala |
| Location | Udumbanchola |
| City | Painavu |
| District | Idukki |
| State | Kerala |
| Pincode | 685554 |
| Category | Higher Secondary School |
| Block | Nedumkandam |
Sx High School Chemmannar is located in Chemmannar, Udumbanchola, Nedumkandam, Painavu, Kerala. Established 59 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. This school falls under Udumbanchola assembly constituency. This is primarily Malyalam medium school but English is also spoken during classes.
| Class I to V | 330 Students |
| Class VI to VIII | 322 Students |
| Class IX to XII | 754 Students |
| Total Students | 1406 Students |
| Total Teachers | 55 Teachers |
| Student-Teacher Ratio | 26:1 |
| Student-Classroom Ratio | 35:1 |
This institution has around one thousand five hundred students studying being taught by around 55 teachers, thus making the student-teacher ratio of 26 students per teacher. All of the teachers are appointed on Regular basis. Fourteen teachers are Male and remaining 41 are Female. In terms of Academic qualification nine teachers are Below Graduate, seventeen are Graduate and rest 29 are Post Graduate. Thirteen teachers are trained in Computer. The student classroom ratio is 35:1, means on an average thirty five students sit in a classroom which is very good. There are 330 students in class I to V, 322 students in class VI to VIII and 754 students in class IX to XII.
The school is in a private building and it has partial boundary walls. The school has total forty clasrooms and twelve other rooms. The school has internet facility for students. The school has twenty five laptops, ten desktops, two scanners, three printers, two digiboards, two webcams and two generators in its premises. There is reading corner, library and book bank for students. There are ten boys toilets and ten girls toilets for students. The school has both hand wash facility and drinking water facility for people.