About CBS
Calcutta Boys School is a school located in Sonarpur, Kolkata. It is affiliated to the CISCE board. The school was established in 1877. Explore fees, admission process, facilities and parent reviews on this page.
Quick facts
- Which board is CBS affiliated to?
- Calcutta Boys School is affiliated to CISCE and is a day school in Sonarpur, Kolkata.
- Where is CBS located?
- Calcutta Boys School is located at H. C. Sarani, Sonarpur, Kolkata – 700150, Kolkata.
- When was CBS established?
- Calcutta Boys School was established in 1877 and has been operating in Kolkata for 149 years.
- Is CBS co-ed or single-gender?
- Calcutta Boys School is a boys-only school.
- Is CBS accepting admissions?
- Calcutta Boys School is open to enquiries for April to March. Use the Apply or Enquire button on this page to start an enquiry.
- How can I contact CBS?
- You can reach Calcutta Boys School on 3324340086 or by email at cbssonarpur@gmail.com. Address: H. C. Sarani, Sonarpur, Kolkata, 700150.
All students admitted/enrolled in Calcutta Boys School will be subject to the Total Personality Development Programme (TPDP) of the School. This will include, along with academics, exposure to Christian prayers and hymns, compulsory participation in Field Games & Sporting activities, regular health check-ups & counselling sessions.
About the school
Calcutta Boys School is a boys-only day school located in Sonarpur, Kolkata, South 24 Parganas. Established in 1877, the school has been part of the Kolkata education landscape for 149 years. CBS runs on the CISCE framework and covers up to the middle school stage.
Curriculum at CBS
CBS runs on the CISCE framework, with English as the primary medium of instruction. Additional languages taught include English, Hindi and Bengali. Academic sessions run April to March, with continuous assessment supplementing term examinations.
Campus and on-campus infrastructure
From a parent's perspective, the campus at CBS lists 12 on-campus infrastructure — including Medical Room, Transportation, Wifi, Smart Classes, Art and Craft and Dance, plus 6 more. These resources cover academics, sports and co-curricular activities through the school day.
Learning depth
Day-to-day, CBS's learning environment combines classroom teaching with hands-on time in library, infirmary and audio-visual room where the campus supports it. Continuous assessment is layered on top of the term examinations, with project work and lab assignments contributing to the final grade in most subjects.
Parent fit
Families comparing CBS against other CISCE schools in Kolkata usually weigh three things: how the school handles the transition between primary and senior school, the strength of the co-curricular calendar, and how transparent the admissions team is during the enquiry. If you're choosing between ICSE and IGCSE for the long-term exit, factor in the colleges your child is most likely to apply to — that decision often settles the board question more cleanly than a side-by-side feature comparison. Use the Compare tool on the platform to stack CBS against one or two finalists on board, fees, facilities and parent ratings before booking the campus visit round.
Location and neighbourhood
CBS is located at H. C. Sarani, Sonarpur, Kolkata – 700150. Sonarpur is a long-standing residential pocket of Kolkata, with established neighbourhood infrastructure around the school. Parents comparing CBS usually weigh it against other CISCE schools in Kolkata on commute, fees and facilities.
Learning environment
On the operations front, the 25:1 student-teacher ratio means classrooms at CBS are sized for individual attention. Overall, CBS suits parents seeking a boys-only environment. Read the FAQs below for quick answers to common parent questions, and use the Admissions tab for the step-by-step application process.
Affordable fees position this school well for families prioritising value-for-money over premium infrastructure spend.
As a day school the calendar mirrors most working-parent schedules, with co-curricular slots typically built into the regular timetable rather than after-school add-ons.
Founded in 1877, the school has a multi-generation alumni footprint in the city — a useful proxy for institutional stability when comparing options.
Key facts
- Board
- CISCE
- City
- Kolkata
- Area
- Sonarpur
- Type
- Private
- Format
- Day School
- Gender
- Boys
- Level
- Middle
- Medium of instruction
- English
- Languages taught
- English, Hindi, Bengali
- Established
- Student : teacher ratio
- 25:1
- School timings
- Playgroup to class 2 - 7:00 AM to 10:00 AM & Class 3 to class 8 - 10:00 AM to 3:50 PM
- Academic session
- April to March
- Key facilities
- Medical Room, Transportation, Wifi, Smart Classes, Art and Craft, Dance
Updated 17 June 2026 Verified school data
Admissions 2026-27 at CBS
Admissions for the 2026-27 session at Calcutta Boys School typically open between November and February. Status is currently enquiring. Use the Enquire button on this page to start a formal enquiry.
- 1Fill application form —
- 2Document verification at school —
Fees at CBS
Annual tuition fees at Calcutta Boys School range from ₹0/year, depending on grade. One-time admission fees, security deposit (often refundable), uniform and transport are charged separately. We update fees from official school sources at least once per academic session.
See grade-wise fee breakdownCurriculum & boards
Calcutta Boys School is affiliated to CISCE. Medium of instruction is English, with additional languages taught: English, Hindi, Bengali. Levels covered range up to middle.
Facilities at CBS
- Medical Room
- Transportation
- Wifi
- Smart Classes
- Art and Craft
- Dance
- Drama
- Music
Location & connectivity
Calcutta Boys School is located at H. C. Sarani, Sonarpur, Kolkata – 700150. Use the Address tab for a full map and directions.
Frequently asked questions
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