Charter School Registration Please select the school year and charter school that you wish to register with. Aspen Ridge Preparatory 2024-2025 Aspen Ridge Preparatory 2025-2026 Carbon Valley Charter 2024-2025 Carbon Valley Charter 2025-2026 Firestone Charter Academy 2024-2025 Firestone Charter Academy 2025-2026 Flagstaff Academy 2024-2025 Flagstaff Academy 2025-2026 St. Vrain Community Montessori Enrollment Twin Peaks Classical Academy 2024-2025 Twin Peaks Classical Academy 2025-2026