In 2009, OLCHS had an average composite ACT score of 20.2, and graduated 91.6% of its senior class.[3] The school has not made Adequate Yearly Progress (AYP) on the Prairie State Achievement Examination, which is the state assessment used to fulfill mandates of the federal No Child Left Behind Act.[3] Overall, the school failed to meet minimum standards in reading and mathematics, in addition to having two student subgroups fail to meet expectations in reading, and one subgroup fail to meet expectations in mathematics.[3]
Oak Lawn competes in the South Suburban Conference (SSC) and is a member of the Illinois High School Association (IHSA); the organization which governs most sports and competitive activities for high schools in the state. Teams are stylized as the Spartans.
Drama: State Champions (2005–06, 2009–10, 2011–12, 2012–13, 2013–14, 2014–15, 2020–21); 2nd Place (1958–59, 2003–04, 2004–05, 2007–08, 2010–11, 2016–17); 3rd Place (2006–07, 2015–16, 2018–19); 4th Place (2017–18)[11]
Group Interpretation: State Champions (2003–04, 2007—08, 2010–11, 2013–14, 2015–16, 2018—2019, 2020–21); 3rd Place (2005–06); 4th Place (2002—03, 2006–07, 2011–12, 2016–17, 2021–22)[11]
Speech: State Champions (2009–10); 2nd Place (2011–12, 2022–23); 3rd Place (1996–97, 1998–99, 2001–02) 4th Place (1999–00, 2004–05, 2013–14, 2015–16)[12]
Volleyball (Boys): State Champions (1993–94); 4th Place (1992–93)[13]
Mary "Kitty" Menendez was Miss Oak Lawn 1962 and also the victim and mother of notorious brothers and killers Erik and Lyle Menendez, whose crimes were highly publicized in 1989.
^Vorva, Jeff (December 9, 2005). "Baseball's Winter Meetings". Beacon News. Aurora, Illinois, USA. Retrieved November 18, 2009. Thursday, the (White) Sox acquired Mackowiak, who attended Oak Lawn High School and South Suburban College, from the Pittsburgh Pirates for relief pitcher Damaso Marte.
^"SENATOR EDWARD D. MALONEY NEWS". Illinois State Senate Democrats. November 16, 2009. Retrieved November 19, 2009. His professional experience includes being an assistant principal and dean of faculty at Brother Rice High School in Chicago ... and a teacher, counselor and administrator at Oak Lawn Community High School.