In the 10 weight era (1952 to 1965 and 1970 to present) the average number of schools to win at least one individual title is 7.5.
The least number of schools to win a title was 5 in 1972 and again in 1997.
There have been six years where socialism reigned and the 10 titles were shared by 10 teams (1963, 1988, 2000, 2004, 2007, 2009).
All four ranking services (Intermat, WIN, Wrestlestat, Flo) have #1 ranked wrestlers from 7 schools.
2022 and 2023 held true to form, though there were substitutions. In 2023, Princeton, Northern Colorado, and Missouri replaced Iowa, Iowa State, and Northern Iowa (tough year for the corn state).
What will happen this year?
And who are your surprise teams to win a championship?