During Dr. William Pope's tenure as district superintendent, Upper St. Clair High School was substantially remodeled in 2000.
The renovations included replacements of much of the school's aging building; the mechanical systems; and allowed for many technological advancements such as widespread Internet access.
The renovations improved the facilities, allowing for a professional-sized theater, two full-sized gymnasiums, a weight room, and a racquetball court.
The high school implemented Securly web filtering and also opened a Square-powered online store for students to purchase additional accessories.
The suit, fought concurrently with a similar lawsuit targeting North Allegheny's schools, succeeded on January 22, and the mask policy was reimplemented the following Monday by order of federal judge William S. Stickman IV.
[11][12] However, Stickman's decision was overruled the following March by the Third Circuit Court of Appeals, as the lack of a high transmission rate mooted the primary complaint of the suit.
The Association accredits USC's debate program as among the most prestigious in the nation, and the team additionally the Pennsylvania High School Speech League State Championship in 2022.
Members of the new school board elected in 2005 criticized the program as being too costly, a needless duplication of Advanced Placement, and a proponent of "socialist" values.
In February 2006 the new school board voted 5–4 to phase out the IB program over two years, allowing only current 11th and 12th grade students to complete requirements.
Sports at St. Clair affiliated with WPIAL include baseball, basketball, cross country, field hockey, football, golf, lacrosse, rifle, soccer, softball, swimming, tennis, track, volleyball, and wrestling, as well as non-WPIAL cheerleading, crew, fencing, and ice hockey.
These teams are supported on the campus of the high school Athletic facilities at consisting of two gyms, two indoor swimming pools, and a football stadium surrounding by a track.
The 2006 football team won the PA Quad A State Championship, finishing with an undefeated 16–0 record, and were ranked in the top-ten nationally, in several polls.
The girls' teams broke their drought in 2021, defeating Greater Latrobe Senior High School in a rematch of the 2020 championships.
[31] The Panther Marching Band holds a two-week training program during the summer to help students prepare for football half-time performances and festivals.
[31] In recent years, multiple USCHS students have been accepted into all-state instrumental music ensembles and choirs.
[32][33][34] The Upper St. Clair Theater, renovated in 1999, hosts a fall play and spring musical every year, with students filling most of the cast and crew roles.
Students participate in a wide variety of capacities, including singing, dancing, acting, costume design, set construction, lighting, stage management, and playing in the orchestra.
[40] The yearbook for Upper St. Clair High School is titled the Clairvoyant, based on a contest held by the class of 1960.
The magazine publishes original poems, short stories, personal essays, artwork, photography, and musical compositions written by the students.
[44] USCHS ranked in the "silver medal" category in U.S. News & World Report's Best High Schools 2009 listing.