2. The programs and services required pursuant to N.J.S.18A:46-1 et seq. for children with disabilities between the ages of 3 and 5 shall be provided by one or more of the following:
a. Parent training and counseling;
b. Special programs and services in the district including programs in hospitals, homes or other institutions;
c. Special programs and services offered by other districts as provided by agreement between one or more districts;
d. A Jointure Commission;
e. A county special services school district; and
f. Such other methods as shall be approved by the commissioner with the approval of the State board.