| A Child's Center of Wonder & Discovery | 9841 Vine Street, Lakeside, CA 92040 | Preschool |
| A Sunny Days Preschool | 12464 & 12470 Woodside Avenue, Lakeside, CA 92040 | Preschool |
| Aka Head Start - Marilla - CLOSED | 9745 Marilla, Lakeside, CA 92040 | Preschool |
| Children's Choice Learning Connection | 9748 Los Coches Rd#678910, Lakeside, CA 92040 | Preschool |
| Gammy's Preschool Discovery Center | 12101 Lakeside Avenue, Lakeside, CA 92040 | Preschool |
| Hand In Hand Preschool | 9449 Wintergardens Blvd., Lakeside, CA 92040 | Preschool |
| Lakeside District Preschool | 8501 Pueblo Road, Lakeside, CA 92040 | Preschool |
| Lakeside Presbyterian Preschool & Children's Center | 9908 Channel Rd, Lakeside, CA 92040 | Preschool |
| Lakeside School District State Preschool | 8501 Pueblo Road, Lakeside, CA 92040 | Preschool |
| Montessori East County Preschool | 9840 Maine Avenue, Lakeside, CA 92040 | Preschool |
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| The Learning Academy | 11646 Riverside Drive, Lakeside, CA 92040 | Preschool |