Cal Poly Humboldt

Child Development Lab

Child Development Laboratory

1 Harpst Street, Arcata, CA 95521    |    Phone: 707.826.3475   |    Alternate Phone: 707.826.3471    |    Fax: 707.826.4270    |

The Child Development Lab (CDL) at Cal Poly Humboldt begins its new legacy in the Trinity Annex.


Serving a community for more than half a century with promoting diversity and equity, our preschool program offers inclusive learning experiences for children and families in Humboldt County. Openings are for children (2 years and 9 months up to 5 years in age). If you have questions about our program and future enrollment, please contact us at or 707-826-3475. Please see the Enrollment Page for more information.



Please click the links below to learn more about the CDL and the Cal Poly Humboldt policy.


The CDL: 50 Years of Excellence

Humboldt NOW (Jan. 21. 2022). Renovations Underway on New University Children’s Center, Child Dev. Lab




California License Number 125408285
NAEYC Number 292353