以下為德貞女子中學「認可及有工作關係」（備註）之組織 / 團體：
其他以「德貞女子中學」冠名之組織、團體及/或其一切活動、行動及聲明，均 未獲本校授權，亦與本校無任何關係。 備註： 除另有訂明或獲德貞女子中學授權外，「認可及有工作關係」只限於根據教育條 例第 279 章第 40 AO 條「家長校董的提名」/第 40 AP 條「校友校董的提名」， 及德貞女子中學法團校董會章程，本校認可以上團體的代表為本校法團校董會 的合法成員。
The following organizations / groups are “endorsed by Tack Ching Girls’ Secondary School and have working relationships"(remark):
Any Other organizations / groups using the name " Tack Ching Girls’ Secondary School " and/or all their activities, actions and declarations are not authorized by the school and with no relationship with the school. Remark: Unless otherwise provided or authorized by the school, "endorsed and have working relationships' is confined to the following description: Based on Education Ordinance Cap. 279, Section 40 AO for Nomination of Parent Manager and Section 40 AP for Nomination of Alumni Manager, and the constitution of the Incorporated Management Committee of Tack Ching Girls’ Secondary School, the representatives of the two above-mentioned organizations are the official members of the Incorporated Management Committee of Tack Ching Girls’ Secondary School.