Baccalaureate (IB) program, offering all three levels of IB. A 2009 report found that 21.7% of 12th graders had taken and passed at least one IB test. Among participants in the IB program, 84.6% passed at least one IB test. Of the entire 12th grade class surveyed, 3.3% earned an IB diploma. In standardized testing, Upper St. Clair is well above the state average when it comes to proficiency. 89% of all USCHS students are proficient in Mathematics, 92% are proficient in science, and 96% are proficient in reading. Compared to the rest of the state of Pennsylvania, the school ranks between 26 to 32 percentage points in each of the three areas measured. The school and district have adopted a policy of not ranking its students. As of 2021, the school has enrolled 1,391 students in its halls, and the high school has a graduation rate of 99%. Upper St. Clair is also known for its debate team. In 2021, the team ranked as the 38th best in the nation out of 3000 schools by the National Speech and Debate Association; the school improved its rank to 36th in 2022. 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. IB removal controversy An academic controversy during the 2005–2006 school year was the elimination of the International Baccalaureate (IB) program. 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. In March 2006, the ACLU filed a lawsuit and an out-of-court settlement was reached in May 2006 with two main stipulations. First, the program was reinstated for a minimum of two years. Second, a nine-month study to determine the value of the IB program was conducted as part of the settlement agreement. The study resulted in a recommendation to retain the IB curriculum. Athletics Upper St. Clair High School competes in the PIAA's District 7, commonly referred to as the WPIAL. Sports at St. Clair affiliated with WPIAL include baseball, basketball, cross country, field hockey, football, golf, lacrosse, rifle, soccer, softball, swimming, tennis, track,