American Computer Science League

A computer science contest series run by the American Computer Science League, with four contests during the regular season. In the Senior Division, aimed at high school students with programming experience such as those in AP Computer Science, each contest has an online 30-minute, 6-question short-answer test and a programming problem solved within 72 hours. Schools enter 5-score or 3-score teams, and high scorers are invited to an online Finals at the end of the year.

Offered by ACSL. Competition for high school students in USA. Format: Online. Cost: Paid. Grades 9–12. Deadline: 2026-12-31.

Fields: Computer Science, Programming

Key facts

Who can apply
High school students in grades 9 to 12. It runs online.
Cost
Charges tuition or a fee. Check the official page for the amount and whether financial aid is offered.
Dates
The deadline is December 31, 2026.

Info checked October 2026.

Questions about American Computer Science League

When is the American Computer Science League deadline?

The deadline is December 31, 2026.

Is American Computer Science League free?

No. It charges tuition or a fee. Check the official page for the amount and whether financial aid is offered.

Who can apply to American Computer Science League?

High school students in grades 9 to 12. It runs online. Age, residency and citizenship rules are on the official page.

Official program page

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