Calcutta International School Society
724 Anandpur, Kolkatta, West Bengal, India · Kolkata · West Bengal
If you’re exploring international schools in Kolkata, Calcutta International School (CIS) often comes up as one of the top choices. It’s known for its long history, strong academic results, and international curriculum — but also for its high fees and a few administrative challenges that parents have pointed out. Here’s a detailed, parent-friendly look at what you can expect.
Basic Details
- Boards
- Cambridge (IGCSE & A Levels), IB Diploma Programme (DP)
- Classes
- Pre‑Nursery to A2 / Grade XII
- Co-ed
- Yes
- Boarding
- No, it’s a day school
- Founded
- 1953 (originally King’s House School)
- Student–teacher ratio
- 1:6
- Students
- Around 650–700 students (EducationWorld lists 670)
- Staff
- Experienced international faculty, SEN support team, career counselling, language development specialists
Summary for the Parent
Overview
Calcutta International School (CIS) is a long‑standing international day school offering Cambridge and IB programmes.
It’s known for its academic excellence, global exposure, and vibrant extracurricular life.
However, it also comes with very high fees and a few administrative challenges that parents should be aware of.
Best Fit For
What kind of child will this school work best for
- A child aiming for international university admissions.
- A child who enjoys a structured, activity‑rich environment.
- A child comfortable in a diverse, cosmopolitan peer group.
Strengths
- Excellent academic outcomes and international curriculum.
- Strong extracurricular and arts programmes.
- Experienced faculty and SEN support.
- Good exposure to global competitions and events.
Trade-offs
Potential trade-offs / Things to check
- Very high one‑time admission and development fees.
- Admission process can be slow and stressful.
- Limited transparency on transport and ECA costs.
- Mixed parent feedback on administrative behaviour.
Recommendations / Questions to Ask
- Confirm all fee components and refund policies in writing.
- Ask about class sizes and actual student–teacher ratios.
- Check transport routes and costs.
- Clarify SEN support availability.
- Request recent placement and university admission data.
Locked — sign in to read them.
8 more sections on Calcutta International School Society
Sign in with your number to read them — no password, no charge.
- Sentiment Analysis — what works, what to watch, what to ask them
- Parent Feedback and Ratings — in other parents' own words
- What Kind of Peer Group — which families this school draws
- Unique Things about the School
- Campus Details
- Admission Process — step by step
- Estimated Fees — the full table, line by line
- Sources — where every fact in this summary came from
One 6-digit code by WhatsApp, and that signs you in. One message, and it opens every school on the site. We write now and then with something worth reading. Your number never goes to a school.
Also Nearby
Planning to visit Calcutta International School Society?
Every school shows you the labs and the playground. How they handle a child who is struggling in March takes different questions.
Get the 12 questions to askNote on Methodology Used
We spent a few months figuring out how to do this. The idea of these custom-generated AI summaries was to put across information in a format that parents can understand and, hopefully, find usable. Reviews and snapshots are from the school's own pages at the time each summary was written.
If you have feedback about the school that is different from what is mentioned, please do share here. If you are a part of the school or the owner and you believe the school is not represented correctly, or there is something you would like to add, please do send.
Choose your child’s school with clarity, not confusion.
Taken by 5,000+ parents: the 8-point framework for choosing a school, the board paradox, and Q&A on CBSE, ICSE, IB, Cambridge, Montessori, Waldorf and homeschooling.
See what it covers