§ 3026. Discriminations based on sex prohibited. There shall be no discrimination in the determination of the amount to be paid or the payments to be made to persons employed as teachers in the public schools in any city, union free or common school district in this state, based on sex. All contracts hereafter made for the employment of public school teachers and all schedules of salaries and salary increments adopted by boards of education, as provided in this chapter, shall not discriminate between the salaries and salary increments of public school teachers to be paid under such contracts and schedules because of the sex of said public school teachers, notwithstanding the provisions of any general or special law inconsistent herewith.