Pre Upper Primary School Sonalur
| School Name | Pre Upper Primary School Sonalur |
| Address | Sonalur, Sonallur, Thiruporur, Chengalpattu, Tamilnadu |
| Location | Sonalur |
| City | Chengalpattu |
| District | Chengalpattu |
| State | Tamilnadu |
| Pincode | 603127 |
| Category | Primary School |
| Block | Thiruporur |
Pre Upper Primary School Sonalur is located in Sonalur, Sonallur, Thiruporur, Chengalpattu, Tamilnadu. Established in year 1963, the school is a Co-educational and is located in Rural area. This is a Primary school and is currently operational. The school is managed by Department of Education. It comes under Thiruporur assembly constituency. This school is situated in Kancheepuram (Sc) parliamentary constituency. This is primarily Tamil medium school.
| Class I to V | 17 Students |
| Total Students | 17 Students |
| Total Teachers | 2 Teachers |
| Student-Teacher Ratio | 9:1 |
| Student-Classroom Ratio | 4:1 |
The institution teaches around one hundred students being taught by around 2 teachers, which makes the student-teacher ratio of 9 students per teacher. All of the teachers are appointed on Regular basis. All of the teachers are Female. All of the teachers have Post Graduate qualification. Two teachers are trained in Computer. The student classroom ratio is 4:1, means on an average four students sit in a classroom which is very good. There are 17 students in class I to V.
The school is in a Govt. building and it has pucca boundary walls. The school has total four clasrooms. There is reading corner, library and book bank for students. There are one boys toilet and one girls toilet for students. The school has both hand wash facility and drinking water facility for people.