The seal of Don Bosco Technical Institute – Tarlac consists of the gear, flask, laurels, and the anchor.

The gear is the symbol of the unique Technical Education offered by the institution to the student.

The flask symbolizes the complete Academic Education provided by the school with special emphasis on science.

The laurels point to the contribution of the institution in preparing capable citizens who will be responsible for the economic progress of the country.

The anchor, which is the symbol of Christ, points to the reality that Don Bosco Technical Institute, as a Catholic school, educates students by bringing them closer to Jesus Christ, Lord and Savior.