| Assagao Union High School | |
| Motto: | Solidarity Love Unity |
| Town: | Assagao, Bardez |
| State: | Goa |
| Country: | India |
| Type: | Semi-government school |
| Classes: | Nursery-10 |
| School Board: | Goa Board of Secondary & Higher Secondary Education |
| Principal: | Elizabeth Azavedo |
| Staff: | 25+ |
Assagao Union High School is a school in Assagao, Bardez, Goa, India that was established in 1927. It is managed by the Assagao Association (formerly Assagao Union), a charitable trust founded in 1923 and registered on 16 April 1925, under the societies registration act XXI of 1860 and on 16-05-1953 under Bombay Public Trust Act, 1950 (Bom XXIX of 1950). The schools primary section is known as Dr. Augusto Souza Primary School.
The school follows the S.S.C. Board of the Government of Goa.
Co-curricular activities are provided. It is obligatory on the part of the pupils to participate in all co-curricular and other school activities.Besides regular drill there are sports and games and during the monsoons indoor games are provided. Counselling facility by a qualified councilor is provided for the students.