Mount Albert Grammar School (MAGS) is a semi co-educational state secondary school in Mount Albert in central Auckland, New Zealand. It teaches from year 9 to year 13. Mount Albert Grammar is one of the largest secondary schools in the country. It is also one of the most multi-cultural schools in New Zealand. Mount Albert Grammar is now the second largest school in New Zealand, behind Rangitoto College.
Mount Albert Grammar was founded in 1922 as a subsidiary of Auckland Grammar School, but now the two schools are governed separately. Mount Albert Grammar School was originally boys only, but in 2000 opened its doors to girls as well. Junior classes (years 9 and 10) are mostly single-sex while senior classes (years 11 to 13) are all co-educational.
There have been a number of headmasters since the opening of the school, Frederick Gamble (1922-1946), William Caradus (1946-1954), Murray Nairn (1954-1969), Maurice Hall (1970-1988) Gregory Taylor (1988-2006, the first Albertian to become Headmaster) and, since 2006, Dale Burden.