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

Regional Science High School Union

Regional Science High School