(Editor's note: In the press release dated March 22, 1999, the third sentence in the fifth paragraph regarding "enhanced annual fundraising" was edited for clarity. The corrected version follows. NEW YORK (Standard&Poor's CreditWire) March 22, 1999--Standard&Poor's today assigned its single-'A' rating to Vermont Educational and Health Buildings Financing Agency's $25.26 million revenue refunding bonds series 1999, issued for St. Michaels College, Vt. The bonds are scheduled to sell the week of March 30, 1999. In addition, Standard&Poor's raised its rating on the agency's revenue bonds series 1988, 1991, 1994 and 1996, also issued for the college; to single-'A' from single-'A'-minus. The upgrade reflects: -- Improving liquidity; -- Limited additional capital needs; -- An impressive