- September 10, 1992—Dedication of the new science laboratories.
- Summer 1993—Revonoation of the Construction Technology Department.
- September 28, 1994—Dedication of the computer-imaging center in the Graphic Communications Department.
- September 15, 1995—Fortieth anniversary Mass and celebration.
- 1995—Soccer team earns CIF championship.
- June 13, 1996—Dedication of the renovated library and multimedia center.
- 1997—Renovation of the Power & Transportation Department.
- 1997—Cross Country team earns CIF championship and CIF state championship
- 1998—Cross Country team again earns CIF championship.
- May 30, 1998—Graduation of Bosco Tech’s first female college student.
- September 1998—Opening of the Computer Science Department.
- September 29, 1998—Dedication of the new laboratories in the Materials Science Department.
- 1999—Renovation of the Manufacturing and Materials Science Departments.
- 1999—Cross Country team earns CIF state championship.