Established in 1897, AISD encompasses 396 square miles (1,030 km2)[citation needed] in Brazoria County, serving Angleton as well as the Village of Bonney, the Sandy Point census-designated place, all of the CDP of Rosharon, and portions of Alvin and Lake Jackson.

[citation needed] As of the 2010–2011 school year, the appraised valuation of property in the district was $2,145,243,000.

[1] In 2011, the school district was rated "recognized" by the Texas Education Agency.

[1] Angleton High School participates in the boys sports of baseball, basketball, football, soccer, and swimming.

[3] The school participates in the girls sports of basketball, soccer, softball, swimming, and volleyball.