This is a list of secondary schools in Lagos, Nigeria.

• American International School of Lagos
• Anwar ul-Islam Girls High School, Ifako/Ijaye, Ojokoro Lagos
• Apata Memorial High School, Ireakari Estate, Isolo
• Atlantic Hall, Poka Epe
• Avi-Cenna International School

• Babington Macaulay Junior Seminary
• Baptist Academy, Obanikoro
• British International School Lagos

• Caleb British International School, Lekki
• Chrisland Schools
• CMS Grammar School, Lagos

• D-Ivy College, Ikeja
• Dowen College

• Ebun Pro Veritas International School
• Eko Boys' High School

• Federal Government College, Ijanikin
• First Island School, Lekki

• German School Lagos
• Good Shepherd Schools
• Government College Ikorodu
• Grace Schools
• Grange School, Ikeja
• Greensprings School

• Holy Child College

• Ifako International School
• Igbobi College, Yaba
• Ikenna Stars Academy
• Indian Language School
• Institute for Industrial Technology
• International School Lagos
• Isolog schools
• Italian International School "Enrico Mattei"

• King's College, Lagos
• Kingsfield College

• Lagoon Secondary School, Lekki
• Lagos Preparatory School
• Lagos State Junior Model College Badore
• Lagos State Junior Model College Kankon
• Lagos State Model College, Igbonla
• Lagos State Model College Kankon
• Lagos State Model Junior College Meiran
• Lebanese Community School
• Lekki British School
• Logic Group of Schools
• Lycée Français Louis Pasteur de Lagos

• Makoko Floating School
• Methodist Boys' High School, Lagos, Victoria Island
• Methodist Girls' High School, Yaba Lagos
• Mictec Schools

Queen's College, Lagos, Yaba

• Redeemer's International Secondary School, Maryland

• St Gregory's College, Lagos, South-west Ikoyi
• St. Francis Catholic Secondary School, Nigeria
• State High School

• Vivian Fowler Memorial College for Girls

• Education in Nigeria
• List of schools in Nigeria

• "Education", Lagos State Government