| Business | Phone |
| Alliance Program 2730 Salvio St, Concord 94519 | (925) 687-0374 |
| Ayers Elementary School 5120 Myrtle Dr, Concord 94521 | (925) 682-7686 |
| Bianchi Schools Pre-School 4347 Cowell Rd, Concord 94518 | (925) 680-8606 |
| Cambridge Elementary School 1135 Lacey Ln, Concord 94520 | (925) 686-4749 |
| Carondelet High School 1133 Winton Dr, Concord 94518 | (925) 686-5353 |
| Clayton Valley High School 1101 Alberta Way, Concord 94521 | (925) 682-7474 |
| Concord Christian Schools 2120 Olivera Ct, Concord 94520 | (925) 825-1370 |
| Concord High School 4200 Concord Blvd, Concord 94521 | (925) 687-2030 |
| Crossroads High School 1266 San Carlos Ave, Concord 94518 | (925) 689-6852 |
| De La Salle High School 1130 Winton Dr, Concord 94518 | (925) 686-3310 |
| El Dorado Middle School 1750 West St, Concord 94521 | (925) 682-5700 |
| El Monte Elementary School 1400 Dina Dr, Concord 94518 | (925) 685-3113 |
| Glenbrook Middle School 2351 Olivera Rd, Concord 94520 | (925) 685-6835 |
| Highlands Elementary School 1326 Pennsylvania Blvd, Concord 94521 | (925) 672-5252 |
| Holbrook Elementary School 3333 Ronald Way, Concord 94519 | (925) 685-6446 |
| King's Valley Christian School 4255 Clayton Rd, Concord 94521 | (925) 687-2020 |
| Marchus School 2900 Avon Ave, Concord 94520 | (925) 602-6150 |
| Meadow Homes Elementary School 1371 Detroit Ave, Concord 94520 | (925) 685-8760 |
| Monte Gardens Elementary Schl 3841 Larkspur Dr, Concord 94519 | (925) 685-3834 |
| Montessori Concordia School 2353 5th Ave, Concord 94518 | (925) 689-6910 |
| Mountain View Elementary Schl 1705 Thornwood Dr, Concord 94521 | (925) 689-6450 |
| Mt Diablo Adult Education 1266 San Carlos Ave, Concord 94518 | (925) 685-7340 |
| Mt Diablo High School 2450 Grant St, Concord 94520 | (925) 682-4030 |
| Mt Diablo Unified School Dist 1936 Carlotta Dr, Concord 94519 | (925) 682-8000 |
| Oak Grove Middle School 2050 Minert Rd, Concord 94518 | (925) 682-1843 |
| Olympic Continuation High Schl 2730 Salvio St, Concord 94519 | (925) 687-0363 |
| Pine Hollow Intermediate Schl 5522 Pine Hollow Rd, Concord 94521 | (925) 672-5444 |
| Queen Of All Saints School 2391 Grant St, Concord 94520 | (925) 685-8700 |
| Shadelands Special Education 1860 Silverwood Dr, Concord 94519 | (925) 685-3533 |
| Silverwood Elementary School 1649 Claycord Ave, Concord 94521 | (925) 687-1150 |
| St Agnes School 3886 Chestnut Ave, Concord 94519 | (925) 689-3990 |
| St Francis Of Assisi School 866 Oak Grove Rd, Concord 94518 | (925) 682-5414 |
| Sun Terrace Elementary School 2448 Floyd Ln, Concord 94520 | (925) 682-4861 |
| Sunrise School 1861 Silverwood Dr, Concord 94519 | (925) 687-0202 |
| Tabernacle Christian School 4380 Concord Blvd, Concord 94521 | (925) 685-9169 |
| Westwood Elementary School 1748 West St, Concord 94521 | (925) 685-4202 |
| Willow Creek Center 1026 Mohr Ln, Concord 94518 | (925) 685-1011 |
| Wood Rose Academy 4347 Cowell Rd, Concord 94518 | (925) 825-4644 |
| Woodside Elementary School 761 San Simeon Dr, Concord 94518 | (925) 689-7671 |
| Wren Avenue Elementary School 3339 Wren Ave, Concord 94519 | (925) 685-7002 |
| Ygnacio Valley Christian Schl 4977 Concord Blvd, Concord 94521 | (925) 798-3131 |
| Ygnacio Valley Elementary Schl 2217 Chalomar Rd, Concord 94518 | (925) 682-9336 |
| Ygnacio Valley High School 755 Oak Grove Rd, Concord 94518 | (925) 685-8414 |
| Bianchi Schools Pre-School 4347 Cowell Rd, Concord 94518 | (925) 680-8707 |
| Contra Costa Special Education 2520 Stanwell Dr, Concord 94520 | (925) 827-0949 |
| Diablo Valley School 2924 Clayton Rd, Concord 94519 | (925) 676-2982 |
| Lincoln Child Center Campus Sch 205 Mason Cir, Concord 94520 | (925) 521-1270 |
| Mt Diablo High School 2455 Grant St, Concord 94520 | (925) 682-4030 |
| Rose Wood Preparatory School 1092 Alberta Way, Concord 94521 | (925) 671-9447 |
| Summit High School 4200 Concord Blvd, Concord 94521 | (925) 687-0991 |
| Tabernacle School 4380 Concord Blvd, Concord 94521 | (925) 685-9169 |