21. Every Master in the School shall be employed under a contract of service with the Governors which shall, in the case of appointments made after the date of this Scheme, be reduced to writing, and shall in any case be determinate only (except in the case of dismissal for misconduct or other good and urgent cause) upon a written notice given by or on behalf of the Governors or by the Master, as the case may be, and taking effect in the case of the Head Master after the expiration of six months from the date of notice, and in other cases at the end of a school term and after the expiration of two months from the date of notice; but nothing in this clause shall-- (_a_) in the case of any person employed at the date of this Scheme, affect any special provisions as to notice contained in the Scheme under which he was appointed or any special agreement as to notice in force at the date of this Scheme; or (_b_) affect the special provisions of this Scheme as to the procedure to be followed by the Governors in the case of the dismissal of the Head Master. _Masters need not be in Holy Orders._ 22. No person shall be disqualified for being a Master in the School by reason only of his not being, or not intending to be, in Holy Orders. _Masters not to be Governors._ 23. No Master in the School shall be a Governor. _Head Master--Appointment._ 24. The Head Master shall be a graduate of a University in the United Kingdom or have such other equivalent qualification as may be approved by the Board of Education. He shall be appointed by the Governors after due public advertisement in newspapers and otherwise so as to secure the best candidates. _Dismissal of Head Master._ 25. The Governors may, at pleasure, dismiss the Head Master without assigning cause, upon notice given in accordance with the provisions of this Scheme; or they may, for misconduct or other good and urgent cause, dismiss him without notice. Any resolution to dismiss the Head Master shall not take effect until it has been passed at a special meeting, and confirmed at a second special meeting held after an interval of not less than 14 days, and is so passed and confirmed by not less than two-thirds of the Governors present and voting on the question. Provided that where the dismissal is a dismissal without notice-- (_a_) the Governors may, at the first meeting, if they think fit, by a resolution passed by not less than two-thirds of the whole number of Governors for the time being in office, suspend the Head Master from his office until the second meeting; and (_b_) full notice of, and opportunity of defence at, both meetings shall be given to the Head Master. _Head Master's Tenure and Official Residence._