Each of these schools are run by their own Board of Governors and are not for profit entities.

[2][3] In 1962 CHISZ was formed with nine member headmasters: those of Arundel, Bishopslea, Chisipite, Eagle, Falcon, Peterhouse, St. Peter's, Springvale, Whitestone and Bernard Mizeki College.

However, the Independence War years had led to a number of member schools closing down, including two of its founder members (Eagle and St. Peter’s), while two other founder member schools closed but did re-open (Whitestone and Springvale).

[2] Member schools have received criticism from parents and Zimbabwe government Minister of Education Lazarus Dokora for charging illegally excessive non-refundable acceptance fees and increasing tuition despite "atrocious" academic results.

[2] EXCO is the Standing Committee of ATS, made up of members of the Conference, elected annually by the members at the AGM.