Idaho Code § 33-907
There is hereby created in the state treasury a fund to be known as the public education stabilization fund, which shall function as a fund detail of the public school income fund. The fund shall consist of moneys transferred to the fund according to the provisions of sections 33-1018 and 33-1018 C, Idaho Code, and any other moneys made available through legislative transfers or appropriations. Moneys in the fund are hereby continuously appropriated for the purposes stated in section 33-1018 , Idaho Code, and shall only be expended for the purposes stated in sections 33-1018 and 33-1018A , Idaho Code. Any accumulated balances in the fund that are in excess of fifteen percent (15%) of the current fiscal year's total appropriation of state funds for public school support shall be transferred to the school district facilities fund. Interest earned from the investment of moneys in the fund shall be retained in the fund.
Idaho Code § 33-907