Criteria for different classes 4-class system (bracketed team sports only) – A sport must have at least 600 teams participating –Class 1A: smallest 33.3% ( 3 / 9 ) of all member schools –Class 2A: next smallest 22.2% ( 2 / 9 ) of member schools –Class 3A: next smallest 22.2% ( 2 / 9 ) of member schools –Class 4A: remaining 22.2% ( 2 / 9 ) of member schools The following sports would be eligible for four classes: boys and girls basketball, baseball, softball, girls volleyball
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