Antelope Valley Union High School District, The Antelope Valley Union High School District (AVUHSD) includes eight traditional and three alternative high schools, SOAR -- an early college high school on the Antelope Valley College campus, the no-cost, charter Academy Prep Junior High, an online education program and Antelope Valley Adult Education. The district serves 23,000 students in the cities of Palmdale and Lancaster, and the surrounding area.