All schools established, maintained and operated pursuant to a contract entered into under this part shall be considered for all purposes as integral parts of the school systems of each of the counties, cities or special school districts that are parties to the contracts. The board of education of each county, city or special school district that is a party to the contract shall have the same powers with respect to the assignment, placement, expulsion, suspension and transfer of pupils residing in its respective jurisdiction in and to such schools and with respect to the employment and assignment of teachers for such schools as it may possess with respect to other schools under its supervision, control and jurisdiction, except insofar as such powers may be limited by the contract.