Tikkurila Upper Secondary

Tikkurila Upper Secondary School (Finnish: Tikkurilan lukio), abbreviated in Finnish as TILU, is the largest high school in Finland, with about 1200 students from grades 10 to 12. The school also offer an IB programme which is greatly valued in all around the world. The school is located in Tikkurila, Vantaa, and is approximately 430 metres (1,411 ft) from Hiekkaharju's station. In 2018, junior high school graduates needed a minimum of 8.10 GPA to be admitted to study at Tikkurila Upper Secondary.

In 2023, 372 students applied to the Tikkurila IB High School, which offers 30 spots. The acceptance ratio for Tikkurila IB High School in 2023 is approximately 8.06% (comp. Ressu IB 17.88%).

TILU classifies its courses into different class groups that focus on specific subjects. Since 2009 there has been a mathematics and physical education group, in addition to a music group. The school also provides a variety of media and different languages courses including Latin and Japanese. TILU's friend-school is in Singapore and the schools arrange visits to one another's schools annually.

Tilu's principal is Marianna Sydänmaanlakka.