What high school basketball game had the largest attendance?

50,988 Kensington vs. Bennett-Civic Stadium Buffalo NY, Oct. 1948

49,953 Plano vs. Port Neches-Groves Texas Stadium 1977*

46,339 Southlake Carroll vs. Euless Trinity Texas Stadium 2006

45,790 Highland Park vs. Waco Cotton Bowl 1945*

45,000 Houston Washington vs. Galveston Rice Stadium 1968

45,000 Dallas Adams vs. Richardson Cotton Bowl 1967