Academics During the 1990–91 school year, Westminster was recognized as a
Blue Ribbon School by the
United States Department of Education. The school is recognized for combining Christian education with high academic standards. The lab was built in partnership with SeaScapes Studios, the St. Louis Aquarium, and Plant a Million Corals. Westminster is one of approximately 30 institutes licensed to store and maintain Atlantic stony coral genetic broodstock.
Arts Westminster has received 58 St. Louis High School Musical Theatre Awards nominations, winning 15 awards. Awards won include Outstanding Production (2017, 2019, 2020, 2022, 2025), Outstanding Ensemble (2019, 2024), Outstanding Costume Design & Execution (2018, 2025), Outstanding Direction (2018), Outstanding Supporting Actress (2017), Outstanding Lead Actor (2020), and Outstanding Lead Actress (2022). In August 2025, Westminster's upper school orchestra was selected to perform at the Missouri Music Educators Association's annual conference, becoming the first private school ever selected for this achievement.
Athletics Westminster teams are the Wildcats. The school is a member of the Metro League along with
John Burroughs,
Lutheran North,
Lutheran South,
MICDS,
Principia,
Priory, and
Villa Duchesne. Westminster's athletic program has won many state titles, including 15 state championships and 33 individual state championships. Varsity football started in 2001; the team has since won five district championships and two conference championships and reached the state final four for the first time in 2015. In 2010, the boys' golf team won Westminster's first state championship. In 2014, the boys' baseball team became the first in Missouri history to win four consecutive state championships (2011, 2012, 2013, 2014). The boys' hockey team won the Wickenheiser Cup in 2017 and 2018. In 2022, the girls' volleyball team won their second straight state championship. In March 2023, the girls' swim team won the state championship for the first time. Margo O'Meara was the first girl and the second student to win four consecutive Missouri state diving championships. In December 2023, the boys' soccer team won its first-ever state championship. Westminster's student athletes have won several awards. Four athletes—Jacob Turner (2009) and Jake Matheny (2016) in baseball, Kirsten Davis (2017) in soccer, and Daniel Everett (2011) in track and field—have been named Missouri
Gatorade Player of the Year. In 2015, Zach Hughes won the
Wendy's High School Heisman award. == Accreditation and memberships ==