Complex sentence: The Upper School is for students in grades 9-12 and offers a full range of classes leading up to the Regents diploma, including career and technical pathways as well as AP and early-college classes.
Split into simpler sentences: The Upper School is for students in grades 9-12. The school offers a full range of classes leading up to the Regents diploma, including career and technical pathways as well as AP and early-college classes.