Complex sentence: Selection to an All-America team for high school and collegiate players, however, is honorary in nature, and All-America teams do not typically play any games as a unit, unlike many of the all-star teams.
Split into simpler sentences: Selection to an All-America team for collegiate (or high-school) players, however, is honorary in nature. "All-America teams" do not typically play any games as a unit, unlike many of the all-star teams.