Section 12 - Discrimination and harassment prohibited1. No student shall be subjected to harassment or bullying by employees or students on school property or at a school function; nor shall any student be subjected to discrimination based on a person's actual or perceived race, color, weight, national origin, ethnic group, religion, religious practice, disability, sexual orientation, gender, or sex by school employees or students on school property or at a school function. Nothing in this subdivision shall be construed to prohibit a denial of admission into, or exclusion from, a course of instruction based on a person's gender that would be permissible under section thirty-two hundred one-a or paragraph (a) of subdivision two of section twenty-eight hundred fifty-four of this chapter and title IX of the Education Amendments of 1972 (20 U.S.C. section 1681, et. seq.), or to prohibit, as discrimination based on disability, actions that would be permissible under section 504 of the Rehabilitation Act of 1973.2. An age-appropriate version of the policy outlined in subdivision one of this section, written in plain-language, shall be included in the code of conduct adopted by boards of education and the trustees or sole trustee pursuant to section twenty-eight hundred one of this chapter and a summary of such policy shall be included in any summaries required by such section twenty-eight hundred one.