It shall also be the responsibility of the principal to utilize resources of proper law enforcement agencies when the safety and welfare of students and teachers are threatened by illegal use of drugs and alcohol, by illegal use or possession of weapons, or by illegal gang activity.

All courts and law enforcement agencies of the State of Illinois and its political subdivisions shall report to the principal of any public school in this State whenever a child enrolled therein is detained for proceedings under the Juvenile Court Act of 1987 [705 ILCS 405/1-1 et seq.], as heretofore and hereafter amended, or for any criminal offense, including illegal gang activity, or any violation of a municipal or county ordinance. The report shall include the basis for detaining the child, circumstances surrounding the events which led to the child's detention, and status of proceedings. The report shall be updated as appropriate to notify the principal of developments and the disposition of the matter.

The information derived thereby shall be kept separate from and shall not become a part of the official school record of such child and shall not be a public record. Such information shall be used solely by the appropriate school official or officials whom the school has determined to have a legitimate educational or safety interest to aid in the proper rehabilitation of the child and to protect the safety of students and employees in the school.

(a) The General Assembly finds that the instance of youth delinquent gangs continues to rise on a statewide basis. Given the higher rates of criminal offending among gang members, as well as the availability of increasingly lethal weapons, the level of criminal activity by gang members has taken on new importance for law enforcement agencies, schools, the community, and prevention efforts.

(b) As used in this Section:

"Gang resistance education and training" means and includes instruction in, without limitation, each of the following subject matters when accompanied by a stated objective of reducing gang activity and educating children in grades K through 12 about the consequences of gang involvement:

(c) Each school district and non-public, non-sectarian elementary or secondary school in this State may make suitable provisions for instruction in gang resistance education and training in all grades and include that instruction in the courses of study regularly taught in those grades. For the purposes of gang resistance education and training, a school board or the governing body of a non-public, non-sectarian elementary or secondary school must collaborate with State and local law enforcement agencies. The State Board of Education may assist in the development of instructional materials and teacher training in relation to gang resistance education and training.

The board shall specify in its formal job description for principals, and from and after July 1, 1990 shall specify in the 4 year performance contracts for use with respect to all principals, that his or her primary responsibility is in the improvement of instruction. A majority of the time spent by a principal shall be spent on curriculum and staff development through both formal and informal activities, establishing clear lines of communication regarding school goals, accomplishments, practices and policies with parents and teachers. The principal, with the assistance of the local school council, shall develop a school improvement plan as provided in Section 34-2.4 [105 ILCS 5/34-2.4] and, upon approval of the plan by the local school council, shall be responsible for directing implementation of the plan. The principal, with the assistance of the professional personnel leadership committee, shall develop the specific methods and contents of the school's curriculum within the board's system-wide curriculum standards and objectives and the requirements of the school improvement plan. The board shall ensure that all principals are evaluated on their instructional leadership ability and their ability to maintain a positive education and learning climate. It shall also be the responsibility of the principal to utilize resources of proper law enforcement agencies when the safety and welfare of students and teachers are threatened by illegal use of drugs and alcohol, by illegal use or possession of weapons, or by illegal gang activity.