This impressive school building was the foresight of Rev. Fr. Pascal D'Souza, with his long stay in the U.S.A. He worked to give a try to the broad based American system of education. The growing nature of this institution urged him to convince his superiors, as to the urgent necessity elegant and spacious building, with modern amenities to house the St. John's School, The stately three storeyed building, with wings spread out to the right and left, capped by an open air terrace, sprang up within a period of two and a half years. Thanks to the ardent and vigilant supervision of Rev. Fr. Pascal and the efforts of eminent architect Mr. Vyom Keshav of “Studio Arch”.
Rev. Fr. Pascal was not destined to give the final touches to it. He collapsed due to a massive heart attack. His remains rest on the vast School campus. Rev. Fr. Valerian Godinho stepped into the shoes of Fr. Pascal. His first task was to give the finishing touches to the school building. He worked day in and day out for its completion and got the students accommodated comfortably in the new building in the year 1966.
St. John The Baptist high School and Jr. College , Thane is a Christian institute, established and administered by the Roman Catholic Archdiocesan Board of Mumbai. The School/College is under the religious jurisdiction of the roman catholic Bishop of Mumbai.
At the insistent request of the Education Department, a Junior College has been attached to the high school since June 1979