Search of Student by Principal, Assistant Principal, or School Security Guard. A principal, assistant principal, or school security guard of a public school may make a reasonable search of a student on the school premises or on a school-sponsored trip if the searcher has a reasonable belief that the student has in the student's possession an item, the possession of which is: A criminal offense under the laws of this State; or A violation of: Any other State law; or A rule or regulation of the local board. A search under §A(1) of this regulation shall be made in the presence of a third party. Search of School by Principal, Assistant Principal, or School Security Guard. A principal, assistant principal, or school security guard of a public school may make a search of the physical plant of the school and its appurtenances, including the lockers of students. The right of a principal, assistant principal, or school security guard to search lockers of students under §B(1) of this regulation shall be announced or published previously in the school. Search of Student on School-Sponsored Trip by Teacher. A local board may authorize a teacher of a public school to make a reasonable search of a student on a school-sponsored trip if the teacher has a reasonable belief that the student has in the student's possession an item, the possession of which is: A criminal offense under the laws of this State; or A violation of: Any other State law; or A rule or regulation of the local board. To qualify to conduct a search under §C(1) of this regulation, a teacher shall: Be designated in writing by a principal; and Receive training to conduct a search commensurate with the training received by a principal. A search under §C(1) of this regulation shall be made in the presence of a third party. Police officers shall conduct searches of students and the school premises in accordance with their established policies and procedures. A school official may not conduct a search of the person of a student at the request of a police officer unless a search warrant has been issued authorizing the search. Every effort shall be made to conduct searches in a manner which will minimize disruption of the normal school routine and minimize embarrassment to students affected.