Complex sentence: In the past, students have had part of the entire curriculum in Spanish, however, the high school level of Spanish Immersion allows students to develop their ability to both read, speak, and think in courses including Spanish Literature and AP Spanish.
Split into simpler sentences: In the past, students have had part of the entire curriculum in Spanish. Currently, the high school level of Spanish Immersion allows students to develop their ability to both read, speak, and think in courses including Spanish Literature and AP Spanish.