Udayan Higher Secondary School Dhaka, formerly known as Udayan Bidyalaya is a private higher secondary school in Bangladesh, established in 1955 by the University of Dhaka. It is a co-educational institution. The school was first allotted a small piece of land and two sheds. With the increase in the number of students it was upgraded to a secondary school and, after independence of Bangladesh, as a higher secondary one. In 1976, it received formal recognition from the Dhaka Board of Intermediate and Secondary Education.