St Margaret's College is an independent girls' school in Christchurch, New Zealand, founded on Anglican Christian values.

[2] The school was initially located in the Christchurch Central City south of Armagh Street, where it opened on 8 February 1910.

[7] This renovation was part of a significant rebuild project following the earthquakes when the school lost close to 90% of its buildings.

St Margaret's College is the only girls' school in the South Island of New Zealand to offer the International Baccalaureate Diploma in addition to NCEA.

Currently 150 girls are in three boarding houses, arranged in year groups and structured to the specific needs of each developmental stage.