2008 August - Eastside Memorial High School opened in accord with the District's reconstitution plan for the former Johnston High School.
2009 August - The Austin Independent School DistrictBoard of Trustees voted to split the reconstituted school into two separate campuses, each with its own principal. Then resultant schools were Eastside Global Tech, under the leadership of Moises Ortiz, and Eastside Memorial Green Tech, under the leadership of Connor Grady.
2011 May - The Austin Independent School District Board of Trustees approved the merger of Global Tech and Green Tech into a single school again, using the Public Education Information Management System number of Green Tech.
2011 October 20 - AISD Superintendent Meria Carstarphen announced a proposal that Eastside Memorial High School and Allan Elementary School to be managed by IDEA Public Schools, a charter organization from the Rio Grande Valley.
2011 December 1 - Principal Joseph Coburn resigned, and Bryan Miller was named Interim Principal.
2011 Dec 20 - The Austin Independent School District Board of Trustees approved the proposal to contract with IDEA Public Schools to manage Allan Elementary School, with the charter expanding into Eastside Memorial High School in the Fall of 2013.
2012 March - The Board of Trustees confirmed Bryan Miller as Principal at Eastside Memorial High School.
2012 December - The Board of Trustees cancelled the contract with IDEA Public Schools.
2013 May - The Board of Trustees unanimously voted to contract with Talent Development Secondary of Johns Hopkins University to manage Eastside Memorial High School.
2015 August - TEA Commissioner Michael Williams announced that Eastside Memorial is no longer under threat of closure.