NEW YORK (Standard&Poor's) Jan. 29, 2015--Standard&Poor's Ratings Services lowered its rating on Pennsylvania Higher Educational Facilities Authority's revenue debt, issued for Thomas Jefferson University (TJU), one notch to 'A' from 'A+'. The outlook is stable. At the same time, the rating service assigned its 'A' rating and stable outlook to the authority's $301 million series 2015A and $60 million series 2015B revenue bonds. The downgrade reflects Standard&Poor's assessment of the university's diminished financial profile due to the current debt issuance, which weakened financial resource ratios to levels below 'A' category medians. The rating service believes, what it considers, TJU's very strong demand profile and positive operating margins no longer sufficiently offset the financial resources