Thornhill Secondary School

Thornhill Secondary School (TSS) is a secondary school in Thornhill, Ontario, Canada. Founded in 1955, the school is administered by the York Region District School Board system.

History
Originally it served as an elementary school, but in 1956 it opened as a full-time high school with 600 students. The TSS library was established in 1960 and renovated in 2007. In 1962, the school increased its classrooms from 30 to 47 and added 32 members to its original faculty of 29.

By 1962, 1090 students were enrolled. A technical and commercial wing was built in 1961. In 1976, the school undertook a major renovation. That same year, the drama program started and the music program expanded. In 1999, an expanded science wing was constructed to accommodate an overflow of students. A new library and school hallway connecting science to the technologies and music was completed in June 2007.

Student life
The Thornhill Secondary School TSS senior boys' basketball team has competed at OFSAA numerous times. The school's DECA Chapter has historically sent from one to fifteen delegates to DECA's International Career Development Conferences each year, held in major US cities. The school newspaper the Eye of the Tiger is a publication with a reach of nearly 2000 staff, students, and community members.

Sports teams
Sports teams at Thornhill Secondary School include:
 * Badminton
 * Baseball
 * Basketball
 * Soccer
 * Ultimate Frisbee
 * Volleyball
 * Track and Field
 * Cross Country
 * Girls Field Hockey
 * Golf
 * Ice Hockey
 * Skiing
 * Rowing

Thornhill Secondary School Alumni Association (TSSAA)
Following the school's 50th anniversary in 2004, the Thornhill Secondary School Alumni Association (TSSAA) was established to keep students in touch with each other and with the school and community. The TSSAA holds an annual Half Century Club Luncheon which recognizes students who began at Thornhill fifty years prior. The TSSAA is also active within the school, sponsoring numerous awards for both graduating and non-graduating students.

Notable alumni
Music
 * Barbra Lica, jazz singer-songwriter
 * Dawn Langstroth - singer/songwriter & daughter of Anne Murray and
 * John Goadsby aka Goldy McJohn - keyboards, Steppenwolf
 * Jason Levine - Songwriter/Performer The Philosopher Kings, Prozzak.
 * Jon Levine - Songwriter/Producer/Performer The Philosopher Kings,
 * Martha Johnson (singer) - singer, Martha and the Muffins
 * Matthew Tishler - Songwriter, Music Producer

Film & Television
 * Cameron Bailey - artistic director, Toronto International Film Festival
 * Hayden Christensen - actor, Star Wars: Episode II – Attack of the Clones

Sports
 * Milos Raonic, tennis player
 * Stefan Nastić, basketball player

Other
 * Daniel Dale, former journalist for the Toronto Star, reporter for CNN
 * Michelle Shephard, journalist for the Toronto Star.