(a) Pursuant to laws now or hereafter enacted by the General Assembly, public funds may be expended for any of the following purposes:
(1) To provide grants, scholarships, loans, or other assistance to students and to parents of students for educational purposes.
(2) To provide for a program of guaranteed loans to students and to parents of students for educational purposes and to pay interest, interest subsidies, and fees to lenders on such loans. The General Assembly is authorized to provide such tax exemptions to lenders as shall be deemed advisable in connection with such program.
(3) To match funds now or hereafter available for student assistance pursuant to any federal law.
(4) To provide grants, scholarships, loans, or other assistance to public employees for educational purposes.
(5) To provide for the purchase of loans made to students for educational purposes who have completed a program of study in a field in which critical shortages exist and for cancellation of repayment of such loans, interest, and charges thereon.
(b) Contributions made in support of any educational assistance program now or hereafter established under provisions of this section may be deductible for state income tax purposes as now or hereafter provided by law.
(c) The General Assembly shall be authorized by general law to provide for an education trust fund to assist students and parents of students in financing postsecondary education and to provide for contracts between the fund and purchasers for the advance payment of tuition by each purchaser for a qualified beneficiary to attend a state institution of higher education. Such general law shall provide for such terms, conditions, and limitations as the General Assembly shall deem necessary for the implementation of this subparagraph. Notwithstanding any provision of this Constitution to the contrary, the General Assembly shall be authorized to provide for the guarantee of such contracts with state revenues.