1887

• The first Committee of Management was formed with Mr. Thos S. Baker as the first President.
• Dr. Leo Meurin, the Vicar Apostolic of Bombay, was the ex-officio patron and member of the committee.

1902

• A Deed of Trust was executed on 9-12-1902, appointing Rev. James Russell Goldsmith, Mr. Dominic Joseph Ferreira, and Mr. Richard William Didcock as the first official Trustees.
• The Instrument of Trust incorporated the aims and objects, rules for control and management by an 11-member committee, admission rules for pupils, and a schedule of amounts held in bank accounts and municipal debentures.

1903

• The school was relocated from Grant Road to Nesbit Road, Mazagaon, occupying an old one-storeyed residential building.
• This new location provided ample accommodation for school classes, the Principal's residence, and boarders' quarters on the first floor.

1912

• On 11-9-1912, under the Indenture of Lease, the Government of Bombay leased to the Institution a 6000 sq. yd plot at Nesbit Road, Mazagaon, for 77 years (from 1-1-1902 to 31-12-1978) at an annual ground rent of Rs. 64.00.
• To provide technical training, the Institution started Needlework (for girls) and Carpentry (for boys) classes with competent instructors on staff.

1935

• The Institution celebrated its Golden Jubilee with His Excellency, Lord Brabourne, then Governor of Bombay, and Lady Brabourne as Guests of Honour.
• A special Souvenir was published, and students presented an interesting programme.

1954

• The Institution was registered as a Public Educational Trust under the Bombay Public Trust Act 1950 on 30-10-1954 with Registration No. E-1025 (BOM).
• Management was entrusted to the ICM Sisters, who had vast experience running schools for the deaf.
• The first batch of Sisters included:
  • Sister M. S. Beatrice (Principal)
  • Sister Godelieve Van Limbergen (Drawing Mistress)
  • Sister P. Cecily (Secretary)
• The Boarding Section was closed down.

1971

• The Government of Maharashtra granted a fresh lease of the land at Mazagaon to the Institution for 99 years, effective from the expiration of the previous lease.

1978

• His Grace, Archbishop Simon Pimenta, the Patron and Trustee of the Institution, laid and blessed the foundation stone of the new school building on 18-2-1978.
• The project, estimated at Rs. 13.50 lakhs, was supported by MISEREOR (W. Germany) through the Indo-German Social Service Society.
• Architects: J. B. Fernandes & Son, with Mr. J. B. Fernandes, a Trustee and Board Member since 1960.

1982

• The new school building with:
  • 17 spacious classrooms
  • Principal's Room, Office Room, Teacher's Room, Library
  • Audio-Visual Room, Audio-metric Testing Room
  • Fully-equipped Kitchen for cooking classes for girls
• Formally opened by Dr. (Miss) Eva Linderman, Consul General of the Federal Republic of Germany, and blessed by Archbishop Simon Pimenta on 13th December 1983.
• The event was attended by:
  • Superior of the ICM Order in India
  • ICM Sisters formerly connected with the Institution
  • Board of Management Members, Parish Priests, School Principals
  • Teaching Staff, pupils, parents, donors, and well-wishers
• The event featured an entertainment programme and an exhibition of student handicrafts.

1985

• Centenary Celebrations of the Institution, marking 100 years of dedication and service to the education of the deaf.
• Celebrating an illustrious past and envisioning a glorious future, the Institution reaffirmed its commitment to empowering the hearing-impaired community with renewed vigor and purpose.