Are UCL summer programs for high school students worth listing on college applications?

UCL summer programs can be worth listing, but usually not because admissions officers see them as especially selective on their own. In most cases, they are viewed more as enrichment experiences than major admissions signals, especially if the program is pay-to-attend and does not have a highly competitive admissions process.

That does not mean they have no value. If the program connects clearly to your academic interests, gives you substantial work to talk about, or leads to something tangible like a research project, paper, presentation, portfolio piece, or deeper commitment to a subject, then it can help your application. The value comes more from what you did there than from the UCL name by itself.

If you attend, list it honestly in Activities or Additional Information, especially if you spent meaningful time on coursework or a project. But do not assume it will function like a selective award or a major academic honor unless the specific program is actually competitive and you were admitted through a rigorous process.