Here are lists of single-sex education (schools which only admit boys, or those which only admit boys at certain levels/years/grades), or those which follow the Diamond Schools model (separating students by gender at points), by country.
Note: Hassanal Bolkiah Boys' Arabic Secondary School, despite its name, admits both male and female students.
Former:
A non-profit public secondary school in the city of Thessaloniki's Analipsi neighborhood, comprised 3-year junior high school and 3-year high school (six-grade), and also Higher Education entrance education. Previous was the Villa Mehmet Kapandji, today is The Cultural Centre of Education Foundation of National Bank of Greece.
Please see, Category:Boys' schools in India.
Since the Iranian Revolution government schools have been divided by gender
Al Mutamayizeen Secondary has boys' schools.
Irish Institute in the State of Mexico has a separate campus for boys.
Universidad Panamericana Preparatoria in Mexico City has a separate campus for boys.
Government schools in this country are divided by gender
Government schools in this country are divided by gender
All-boys secondary schools:
