Charter School Registration Please select the school year and charter school that you wish to register with. Aspen Ridge Preparatory 2023-2024 Aspen Ridge Preparatory 2024-2025 Carbon Valley Charter 2023-2024 Carbon Valley Charter 2024-2025 Firestone Charter Academy 2023-2024 Firestone Charter Academy 2024-2025 Flagstaff Academy 2024-2025 St. Vrain Community Montessori Enrollment Twin Peaks Charter Academy 2023-2024 Twin Peaks Charter Academy 2024-2025