Substate 1 – 

Sioux City East – 89 vs Des Moines North – 44

Six City West – 92 vs Sioux City North – 67

Substate 2 – 

Mason City – 66 vs Waterloo West – 61

Ankeny Centennial – 56 vs Fort Dodge – 27

Substate 3 –

Iowa City Liberty – 72 vs Indiana – 67

Valley – 62 vs Iowa City West – 59

Substate 4 –

Iowa City High – 51 vs Marshalltown – 45

Davenport North – 73 vs Dubuque Hempstead – 56

Substate 5 – 

Pleasant Valley – 76 vs Cedar Rapids Washington – 70

Cedar Rapids Kennedy – 83 vs Cedar Rapids Johnson – 28

Substate 6 –

Davenport Central – 67 vs Clinton – 59

North Scott – 72 vs Davenport West – 52

Substate 7 – 

Des Moines East – 88 vs Waterloo East – 82

Dallas Center-Grimes – 91 vs Ottumwa – 48

Substate 8 –

Lewis Central – 59 vs Des Moines Lincoln – 39

Southeast Polk – 84 vs Council Bluffs Jefferson – 37