St Mary's School, Waverley
Address
55 Athol Street, Waverley Johannesburg , Gauteng 2090 South Africa
Coordinates	26°08′29″S 28°04′41″E / 26.1415°S 28.0780°E / -26.1415; 28.0780
Information
Type	Private & Boarding
Motto	Latin: Candida Rectaque (Honest and upright)
Religious affiliation(s)	Anglican
Established	1888; 136 years ago (1888)
Locale	Suburban
Sister school	St John's College, Johannesburg
Headmistress	Deanne King
Exam board	IEB
Grades	000–12
Gender	Female
Age	3 to 18
Number of students	1,057 girls
Language	English
Schedule	07:30 - 14:15
Campus	Urban Campus
Houses	Clayton   Furse   Karney   Phelps
Colour(s)	Blue, red, white
Rivals	Jeppe High School for Girls St. Andrew's School for Girls St Mary's DSG, Pretoria
Alumni	Old Girls
School fees	R 232,600 p.a. (boarding termly) R 112 450 p.a. (tuition Form V)
Website	www.stmaryschool.co.za

St Mary's School is a private English medium, Anglican and boarding school for girls situated in the suburb of Waverley in Johannesburg in the Gauteng province of South Africa, it is one of the top and most academic schools in Gauteng.

Established in 1888, it is the oldest school in Johannesburg. It was founded by the Anglican clergyman the Rev. John T. Darragh, who also founded its brother school St John's College, Johannesburg in Houghton ten years later in 1898. ^{[citation needed]}

St Mary's School writes the Independent Examinations Board exams.

• Cindy Brown (hockey)
• Lisa-Marie Deetlefs (hockey)
• Lilian du Plessis (hockey)
• Natalie Grainger (squash)
• Claire Nitch (squash)
• Lize-Mari Retief (swimming)
• Ashley Callie
• Prue Leith
• Lerato Mbele
• Mogau Motlhatswi
• Carolyn Slaughter
• Jane Dutton
• Helen Zille
• Alison Lewis
• Shelley Russell
• Hannah Pearce
• Itumeleng Bokaba
• Claire Gordon-Webster
• Phumzile Sithole

St Mary's consists of four houses, each with a different colour, which compete in inter-house events such as hockey, tennis, swimming, athletics, squash, music, debating and theatre.

• Hares (yellow)
• Zebras (red)
• Springboks (green)
• Lions (blue)

Pupils in grade 0 are placed in houses in the first term and stay through grade 7.

• Clayton (yellow)
• Furse (red)
• Karney (green)
• Phelps (blue)

The house system was introduced in 1934 and students wear their house badges on their blazers with pride. The houses are named after bishops of Johannesburg; Geoffrey Clayton 1934-1949 and Arthur Karney 1922–1933; bishop of Pretoria, Michael Furse 1909–1920 and archbishop of Cape Town, Francis Phelps 1931–1938.^{[citation needed]}

• List of boarding schools