Ada Independent School District

[1] The district has a jagged eastern border that stretches as far N3930 Road.

Its western boundary is west of U.S. Route 377 in the north and S. Oak Avenue in the south.

The high school is home to the Ada Cougars, who have won 19 state football championships (1951-2, 1955–7, 1959, 1962, 1964–5, 1970, 1974, 1980, 1986, 1988, 1991, and 1993–6) - the most in Oklahoma.

Ada High School is also the home of Cougar News Network, a high school news program, which appears on Public-access television.

Among the many outstanding extracurricular activities and sports programs available to students is the award-winning Ada High School Cougar Marching Band.