It is mandated to provide advanced education, higher technological, professional instruction and training in trade, fishery, agriculture, science, education, commerce, engineering, forestry, nautical courses and other related fields.
It is also mandated to undertake research and extension services, and provide progressive leadership in its areas of specialization.
It existed for seven years until closed due to lack of funding support.
[3] On June 21, 1959, Republic Act 2441 was passed into law to establish Tiburcio Tancingo Memorial Vocational School, named after a prominent judge Tiburcio Tancinco.
On November 14, 1982, Batas Pambansa 304 was passed into law converting Tiburcio Tancinco Memorial Vocational School into Tiburcio Tancinco Memorial Institute of Science and Technology.