List of Regional Science High School Union (RSHS) campuses:
- Luzon
- Regional Science High School for Region 1 – Ilocos Region
- Regional Science High School for Region 2 – Cagayan Valley
- Cordillera Regional Science High School
- Regional Science High School III – Central Luzon
- Cavite Science Integrated School – CALABARZON
- MIMAROPA Regional Science High School
- Bicol Regional Science High School
- Quezon City Science High School – Metro Manila
- Visayas
- Regional Science High School for Region VI – Western Visayas
- Dumaguete Science High School – Central Visayas
- Regional Science High School for Eastern Visayas
- Mindanao
- Regional Science High School for Region IX – Zamboanga Peninsula
- Gusa Regional Science High School – Northern Mindanao
- Davao Oriental Regional Science High School
- Regional Science High School for Region 12 – Soccsksargen
- Caraga Regional Science High School
- ARMM Regional Science High School
List of Regional Science High School Union (RSHS) campuses:
- Luzon
- Regional Science High School for Region 1 – Ilocos Region
- Regional Science High School for Region 2 – Cagayan Valley
- Cordillera Regional Science High School
- Regional Science High School III – Central Luzon
- Cavite Science Integrated School – CALABARZON
- MIMAROPA Regional Science High School
- Bicol Regional Science High School
- Quezon City Science High School – Metro Manila
- Visayas
- Regional Science High School for Region VI – Western Visayas
- Dumaguete Science High School – Central Visayas
- Regional Science High School for Eastern Visayas
- Mindanao
- Regional Science High School for Region IX – Zamboanga Peninsula
- Gusa Regional Science High School – Northern Mindanao
- Davao Oriental Regional Science High School
- Regional Science High School for Region 12 – Soccsksargen
- Caraga Regional Science High School
- ARMM Regional Science High School