Tikkurila Upper Secondary (Finnish: Tikkurilan lukio), abbreviated in Finnish as TILU, is the largest high school in Finland, with about 1200 students from years 10 to 12. The school is located in Tikkurila, Vantaa, and is approximately 430 metres (1,411 ft) from Hiekkaharju's station. In 2013, junior high school graduates needed a minimum of 7.92 GPA to be admitted to study at Tikkurila Upper Secondary. Tilu's principal is Ari Ranki, who is also a biology teacher. In fall of 2012, Ari Ranki was principal for 3 terms while Risto Väyrynen, the previous principal, was off duty.