Deroi Rangoli High School
| School Name | Deroi Rangoli High School |
| Address | Thanpather Dhigalia, Thanpather Ararsha, Milon, Sonari, Assam |
| Location | Thanpather Dhigalia |
| City | Sonari |
| District | Charaideo |
| State | Assam |
| Pincode | 785670 |
| Category | Secondary School |
| Block | Sonari |
Deroi Rangoli High School is located in Thanpather Dhigalia, Thanpather Ararsha, Milon, Sonari, Assam and was established in year 1962. The school is a Co-educational and is located in Rural area. This is a Secondary school and is currently operational. It's affiliated with State Board for class-X exams. The school is managed by Department of Education. This school falls under 105-Mahmora assembly constituency. The language used to teach students is Assamese.
| Pre Primary | 7 Kids |
| Class I to V | 44 Students |
| Class VI to VIII | 116 Students |
| Class IX to XII | 208 Students |
| Total Students | 375 Students |
| Total Teachers | 14 Teachers |
| Student-Teacher Ratio | 27:1 |
| Student-Classroom Ratio | 38:1 |
This school has enrolled around four hundred students being taught by around 14 teachers, which makes the student-teacher ratio of 27 students per teacher. Twelve teachers are appointed on Regular basis and rest two are appointed on Contract basis. Seven teachers are Male and remaining seven are Female. In terms of Academic qualification six teachers are Below Graduate, five are Graduate and rest three are Post Graduate. None of the teachers are trained in Computer. The student classroom ratio is 38:1, means on an average thirty eight students sit in a classroom which is very good. There are 7 kids in pre primary, 44 students in class I to V, 116 students in class VI to VIII and 208 students in class IX to XII.
The school is in a Govt. building and it has hedges as boundary. The school has total ten clasrooms and three other rooms. There is both library and book bank for students. There are one boys toilet, one girls toilet and two cwsn toilets for students. The school has both hand wash facility and drinking water facility for people.