1954
- Kindergarten school founded by AIWC
- A pioneer educational project of the AIWC started in two K-2 quarters.
- The school had classes L. Kg – Std. II
- Mrs N. C. Daruwalla , Mrs. Dumle, Mrs. Tayabji and other members of the managing committee were the driving force.
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Mrs. Duart First Headmistress for Kindergarten School
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Headmistress
1954 - 1964 -
Mrs. Sebastian
Headmistress 1964 - 1974
1972
- Kindergarten school was renamed Gulmohur School
- Ms. NadiraTayabji had proposed the name in a staff meeting as there were two prominent Gulmohur trees near the school premises. This was accepted by Mrs. Dumle
- School badge was released.
1974
- Mrs. Dolly Anthony Acting Headmistress 1974
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The school sent up its first batch of students for the Matriculation Examination.
1975
- Ms. Dhanalakshmi becomes the Headmistress.
- Birth of the School Motto
"Arise, Awake and stop not till the goal is reached." - from Kata Upanishad
1976
- Mr. B. R. Das becomes the first Principal. He was the author of the school anthem.
- The school gets affiliated to the Council for Indian School Certificate Examinations, New Delhi, mainly due to the efforts of Mr. B. R. Das.
1978
- The first batch of students sat for the ICSE Examination.
1979
- Two separate premises for: The Primary Section (UKG - Class III). The Middle and High School (Std IV - Std X)
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Mr. Bhattacharya becomes the first Headmaster of the Primary Section.
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- Mrs. SillaGhandhy unveils the cemented emblem of the school.
1980
- Wing commander Mr. Sunandan Roy becomes the Principal.
- Mrs. M. Datar becomes the Headmistress
1984
- Mr. RajinderSibal becomes the Principal
- Mrs. M. Datar becomes the Vice-Principal
1985
- Administration of Gulmohur High School handed over to the management associated with ShikshaPrasar Kendra - Telco
1986
- 5th September Inauguration of the ‘New Building’ by Mr. R. C. Banka.
1987
- Mrs. Mrinalini Datar becomes the Principal.
- Mrs. Manjula Chatterjee becomes the Vice-Principal.
- Each of the four houses gets its motto.
1989
- March 27 The school added the ‘Plus Two’ Section in Science
1990
- Mrs. Meera Sinha takes over as the Headmistress of the Primary Section.
1995
- Mrs. Manjula Chatterjee becomes the Principal
- Mrs. Nishi Suri becomes the Vice-Principal
2000
- Mrs. Vijaya Vasudevan becomes the Vice-Principal
2008
- Mrs. Sunita Sinha becomes the Principal
2014
- Gulmohur celebrated its Diamond Jubilee on its 60th year.