[4] The first Allen High School, built in 1910 at the corner of Belmont and Cedar, was a two-story brick building housing six classrooms and an auditorium, and saw the first graduating class of eight students in 1914.This expansion included a new 1,500 seat performing arts center, an expansion of band hall space and a Career and Technology Education center featuring a student-managed restaurant open to the public, a student-managed apparel store with student-designed items, multiple new Mac labs, Mac-equipped rooms for the photojournalism, yearbook, commercial photography, audiovisual, radio, and newspaper classes as well as learning-classrooms for the medical education programs.Allen High School offers the International Baccalaureate program to its students, with the class of 2002 being the first to graduate Full Diploma.[10] Allen High School features a Career and Technical Education (CTE) campus known as the STEAM Center, which opened in 2019 at a cost of $40 million.[12] The STEAM Center can accommodate over 500 students simultaneously and includes a range of advanced amenities, such as an OmniGlobe, a large maker space, and a lake.[64] Due to the program's popularity and student population, the school was authorized, via an approved April 2009 referendum, to build an 18,000-seat stadium for the team.