NY -- Standard&Poor's CreditWire 1/13/98 -- Standard&Poor's today assigned its double-'A'-plus rating to Rhode Island Health and Education Facility Building Corp.'s $53 million higher education facilities revenue bonds issued for Brown University. In addition, Standard&Poor's raised its rating to double-'A'-plus from double -'A' on the Rhode Island Health&Education Facility Building Corp.'s outstanding bonds series 1975, 1991, and 1993-1995 issued for Brown University. The upgrade reflects: -- The university's unwavering appeal to prospective students and highly selective admissions; -- Successful completion of a major campaign and significant growth in endowment; -- Improved liquidity levels; and -- A modest debt burden combined with limited additional debt plans. The upgrade recognizes a concerted effort to