Edgewood-Colesburg CSD: Serving Colesburg and Edgewood District Office
403 West Union St.
PO Box 315
Edgewood, IA 52042
Phone number: (563) 928-6411  

Elementary Office
409 East St.
PO Box 125
Colesburg, IA 52035
Phone number: (563) 856-2415  

Junior/Senior High School Office
403 West Union St.
PO Box 316
Edgewood,IA 52042
Phone number: (563) 928-6412  

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Maquoketa Valley CSD: serving Delhi, Earlville and Hopkinton

Maquoketa Valley Administration
210 South Street
PO BOX 186
Delhi, IA 52223
Phone number: (563) 922-9422  

Delhi Elementary
112 Third Street
Delhi, IA 52223
Phone number: (563) 922-9411  

Earlville Elementary
213 Stow Street
PO Box 218
Earlville, Iowa 52041
Phone number: (563) 923-3225  

Johnston Elementary School
131 Culver Road NW
PO Box 390
Hopkinton, Iowa 52237
Phone number: (563) 926-2701  

Maquoketa Valley Middle School

High School
107 South Street
Delhi, IA 52223
Phone number: (563) 922-2091  