Table:
text: Upper Grand District School Board
Secondary schools
UGDSB secondary schools
Name_ Location_ Enrollment _1_year_ranking_of_727 _5_year_ranking_of_693
Centennial Collegiate Vocational Institute Guelph 1533 63 22
Centre Dufferin District High School Shelburne 998 265 281
Centre Wellington District High School Fergus 1459 330 246
College Heights Secondary School Guelph 649 717 688
Erin District High School Erin 616 197 148
Guelph Collegiate Vocational Institute Guelph 1314 16 30
John F. Ross Collegiate Vocational Institute Guelph 1895 181 165
Norwell District Secondary School Palmerston 795 126 343
Orangeville District Secondary School Orangeville 1574 181 194
Wellington Heights Secondary School Mount Forest 680 371 426
Westside Secondary School Orangeville 996 478 343

Question: How many Upper Grand District School Board enrollments have a location in Guelph and a 1-year ranking of 727 greater than 717?