because by the time you are in the NFL you are fully grown and you are bigger than when you where in high school.
Yes, high school footballs are smaller and usually have two white stripes (NCAA regulation) near the ends.
Yes, JR footballs are smaller in "girth". This makes throwing the ball easier for small hands. An official size HIGH SCHOOL ball will be stamped with the NHFS stamp.
Westisle Composite High School was created in 1979.
Bellerose Composite High School was created in 1988.
Salisbury Composite High School was created in 1953.
Strathcona Composite High School was created in 1908.
Beaumont Composite High School was created in 1988.
Parkland Composite High School was created in 1968.
Salisbury Composite High School's motto is 'Sic Sursum'.
Harry Ainlay Composite High School was created in 1966.
Strathcona Composite High School's motto is 'Ut qui ministrat'.