The Fraser Institute lists Immaculate Conception in Formosa as one of the top 100 schools in Ontario.
The small Catholic school scored a 9.3 out of 10 and is ranked 55th out of almost three thousand Ontario schools.
The rankings by the B-C based think tank are based on provincial test results.
Northport Elementary in Port Elgin is the top ranked Bluewater public school at 152nd with a score of 8.6.
Walkerton's Mother Theresa school ranked 288th -- placing it third in the list of Grey Bruce schools with a score of 8.1
Alexandra School in Owen Sound was among the bottom 100 schools in the ranking with a 2.3 score.
Sacred Heart in Mildmay was the lowest ranked Catholic school in Grey Bruce with a score of 3.6.
For the 2009-2010 rankings for all Ontario schools -- go online to www.fraserinstitute.org