Good places to start if you want to learn more about the history of your school's neighborhood and community
Austin American Statesman (historical coverage) - articles from 1938 to 1975.
Dallas Morning News (historical coverage) - articles from 1885-1984
Texas Reference Center - includes Austin American Statesman articles from 1999 to 2019.
Austin Chronicle - Online archival coverage back to 1995.
Austin History Center - Our local history archives. See the the "subject guides" under the "Research" section for more about collection of interest to this project.
Google Books - Search the full text of current and historic texts. Reference to some Texas schools might be found in local and Texas history books.
Texas Archival Resources Online - A catalog of finding aids from archives across Texas. Most of this material hasn't been digitized, but you'll get a sense of which local archives may be worth visiting in person.