Conn. Gen. Stat. § 10-248a

For the fiscal year ending June 30, 2024, and each fiscal year thereafter, notwithstanding any provision of the general statutes or any special act, municipal charter, home rule ordinance or other ordinance, a local board of education may deposit into a nonlapsing account any unexpended funds from the prior fiscal year from the budgeted appropriation for education, provided (1) such deposited amount does not exceed two per cent of the total budgeted appropriation for education for such prior fiscal year, (2) each expenditure from such account shall be made only for educational purposes, and (3) each such expenditure shall be authorized by the local board of education for such town.