"IT IS AGREED by and between .......... Professional Employe, and the Board of Directors (or Board of Public Education) of the school district of .........., Pennsylvania, that said professional employe shall, under the authority of the said board and its successors, and subject to the supervision and authority of the properly authorized superintendent of schools or supervising principal, serve as a professional employe in the said school district for a term of ... months, for an annual compensation of $.........., payable monthly or semi-monthly during the school term or year, less the contribution required by law to be paid to the Public School Employes' Retirement Fund, and less other proper deductions for loss of time.
"This contract is subject to the provisions of the 'Public School Code of 1949' and the amendments thereto.
"AND IT IS FURTHER AGREED by the parties hereto that none of the provisions of this act may be waived either orally or in writing, and that this contract shall continue in force year after year, with the right of the board of school directors (or board of public education) to increase the compensation over the compensation herein stated, from time to time, as may be provided under the provisions and proper operation of the established salary schedule, if any, for the school district, subject to the provisions of law, without invalidating any other provision of this contract, unless terminated by the professional employe by written resignation presented sixty (60) days before resignation becomes effective, or by the board of school directors (or board of public education) by official written notice presented to the professional employe: Provided, That the said notice shall designate the cause for the termination and shall state that an opportunity to be heard shall be granted if the said professional employe, within ten (10) days after receipt of the termination notice, presents a written request for such hearing."
24 P.S. § 11-1121