It is the declared policy of the State and the purpose of this chapter to promote harmonious and cooperative relationships between reorganized public school districts and their employees and to protect the public by assuring the orderly and uninterrupted operations and functions of the public school system. These policies are best effectuated by:
(1) Granting to school employees the right of organization and representation;
(2) Obligating boards of education and school employee organizations which have been certified as representing their school employees to enter into collective bargaining negotiations with the willingness to resolve disputes relating to terms and conditions of employment and to reduce to writing any agreements reached through such negotiations; and
(3) Establishing a public employment relations board to assist in resolving disputes between school employees and boards of education and to administer this chapter.