Alavi Institute (Persian: موسسه فرهنگی علوی) is an Islamic high school in Tehran, Iran.

The school was accredited by the Ministry of Education, and beside academic subjects, taught Islamic matters.

About 70-80% of the 9th grade class are students that completed education in Alavi's primary and middle schools.

[citation needed] Several students from Alavi high school have been awarded medals at international math and science olympiads.

[citation needed] Alavi High School teaches its students three majors which are Math and Physics, Natural Sciences, and Humanities.