The term school official means a teacher, school principal, administrator, or other personnel engaged in the performance of duties with respect to a school. (18) Seclusion The term seclusion means the involuntary confinement of a student alone in a room or area where the student is physically prevented from leaving, and does not include a time out. (19) Secretary The term Secretary means the Secretary of Education. (20) Serious bodily injury The term serious bodily injury has the meaning given that term in section 1365(h)(3) of title 18, United States Code. (21) Sexual orientation The term “sexual orientation” means homosexuality, heterosexuality, or bisexuality. (22) Special education school The term special education school means a school that focuses primarily on serving the needs of students who qualify as a child with a disability as that term is defined under section 602(3)(A)(i) of the Individuals with Disabilities Education Act ( 20 U.S.C. 1401(3)(A)(i) ) or are subject to section 504 of the Rehabilitation Act of 1973 ( 29 U.S.C. 794 ). (23) Time out The term time out has the meaning given the term in section 595(d)(5) of the Public Health Service Act ( 42 U.S.C. 290jj(d)(5) ), except that the meaning shall be applied by substituting “student” for “resident”. (24) Zero-tolerance policy The term zero-tolerance policy is a school discipline policy that results in an automatic disciplinary consequence, including out-of-school suspension, expulsion, and involuntary school transfer.