Cosmonaut International School
About Cosmonaut International School
Cosmonaut International School is a private secondary school located in Sirsa of Haryana, India. It caters for Classes 1–12. In 2026 it enrolled 166 students with 7 teachers (23.7 students per teacher). Privately managed schools affiliated to CBSE, run by a trust, society or company and charging fees.
Other published figures: girls 33.7%; enrolment growth (5 yr) -27.2%; postgraduate teachers 100%; classrooms 15; students per classroom 11.1; computers 22; year founded 2,019; years since founding 7.
There are 111 schools in Sirsa.
Published measures
All figures published for Cosmonaut International School by the official sources.
- Students
- 166
- Total enrolment reported to UDISE+ for the latest census year.
- Teachers
- 7
- Regular and contract teachers reported to UDISE+.
- Pupil–teacher ratio
- 23.7
- Students per teacher (lower means more teacher time per child); the RTE Act norm is 30:1 for primary and 35:1 for upper primary.
- Girls
- 33.7%
- Share of enrolled students who are girls.
- Enrolment growth (5 yr)
- -27.2%
- Change in total enrolment over the last five UDISE+ census years.
- Postgraduate teachers
- 100%
- Share of teachers holding a postgraduate degree or above.
- Classrooms
- 15
- Classrooms in use, as reported to UDISE+.
- Students per classroom
- 11.1
- Total enrolment divided by classrooms in use.
- Computers
- 22
- Functional desktops, laptops and tablets available to students.
- Year founded
- 2,019
- Year of foundation recorded in the CBSE affiliation register.
- Years since founding
- 7
- Years since the school's recorded founding year.
Students trend
How students at Cosmonaut International School has changed over time.
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Similar schools
Private secondary schools in Haryana with a comparable Students.
Lal Chand Mal Public School
Kurukshetra · Private secondary · Classes 1–12
166 students
Galaxy Public School
Karnal · Private senior secondary · Classes 1–12
165 students
Dujana Public School
Jhajjar · Private senior secondary · Classes 1–12
164 students
Trinity School
Jhajjar · Private senior secondary · Classes 1–8
164 students
Guru Nanak Vatika Public School
Kurukshetra · Private senior secondary · Classes 1–12
164 students
Saraswati Modern Public School
Faridabad · Private senior secondary · Classes 1–8
163 students
Frequently asked questions
Is Cosmonaut International School a good school?
India publishes no school-level results, so this site does not score Indian schools. Judge Cosmonaut International School on its published profile (166 students, 23.7 students per teacher, co-educational, English medium, Pre-primary section, Library), compare it with other schools in Sirsa, and visit it to ask about support at your child's level.
How many students attend Cosmonaut International School?
Cosmonaut International School had 166 students in 2026, a change of -27% over five years, taught by 7 teachers.
What is the pupil–teacher ratio at Cosmonaut International School?
Cosmonaut International School reports 23.7 students per teacher (166 students, 7 teachers). A lower ratio means more teacher time per child; it does not by itself measure teaching quality.
Is Cosmonaut International School a primary school or a senior secondary school?
Cosmonaut International School is classified as a secondary school covering Classes 1–12. It is a private school.