For computer science, is Cal Poly SLO or Harvey Mudd the better choice?

The biggest practical tradeoff is depth and access versus scale and cost: Harvey Mudd gives you a very intensive, theory-rich CS education with tiny classes and unusually close faculty access, while Cal Poly SLO gives you a larger, more applied program with strong hands-on coursework and a broader range of practical pathways. Cal Poly is especially known for its learn-by-doing culture, and that matters in CS because project experience starts early. Harvey Mudd, meanwhile, builds CS inside a rigorous math and science core, so the academic experience is more intense and more tightly knit.

For classes, Harvey Mudd usually offers the more personalized undergraduate experience. It is a small undergraduate-only college, so CS students are not competing with graduate students for attention, and faculty interaction tends to be a major strength. Its curriculum is demanding and conceptual, which can be excellent preparation for advanced software work, research, and graduate school.

Cal Poly SLO stands out on hands-on learning in a very different way. The program is larger, the course selection can feel more varied in applied areas, and the campus culture is strongly oriented toward building things that connect to industry. For many students, that translates into strong internship readiness and comfort with team-based engineering work.

After graduation, both can prepare you very well, but the texture of that preparation differs. Harvey Mudd often produces students with exceptional analytical training and very strong outcomes in technical fields. Cal Poly often feels more directly pre-professional, with lots of students moving into software and engineering roles after substantial practical experience.

If the question is purely which offers the stronger undergraduate CS experience, I would give the edge to Harvey Mudd because of the smaller scale, more individualized academics, and unusually rigorous foundation. I would lean toward Cal Poly SLO only if you strongly prefer a larger public-university environment, want a more applied day-to-day experience, or cost makes it the smarter decision.