St. John's College is an independent, day high school for boys aged 12–18 in Borrowdale, a suburb in Harare, Zimbabwe.

Colin Broadbent, Anthony de la Rue, Stuart Perry and David Zamchiya came on board and set about finding a suitable site.

David Zamchiya played a crucial role in sensitive discussions, affirming Government's policy on racial equality and social justice.

[6] The architects, Adams, Jackson and Moore produced plans for municipal approval; Ted Sharples was recruited as headmaster and fund raising was initiated in April 1985.

[8] In 2002, St. John's College became the first International Baccalaureate Centre and the sixth form became co-educational, allowing girls the option to enroll into the IB Diploma program.

In 2012, The IB Diploma program which had been running successfully for ten years, was ended together with the coeducation of the sixth form, making the school an all-boys institution again.

[9] The school offers the following sports: athletics, basketball, cricket, cross-country, football, hockey, rugby, squash, golf, swimming, tennis, volleyball and water polo.