Students should look for an email from ACSL concerning the Summer Coding Challenge. Registration for 2026-27 will open on September 1st.

Partners

Prizes are provided to students by the following generous sponsor:

Thank you to HackerRank for supporting the ACSL online contests:

The following organizations offer online classes to prepare for the ACSL competition:

Aralia Education forms ACSL teams based on students' skill levels and provides expert coaching throughout the entire competition season. The program builds a strong programming foundation before covering all ACSL Short Problems topics, competition strategies, and coding techniques. Guided by experienced instructors, students prepare for all four official ACSL contests with targeted practice, personalized feedback, and team support. Their programs help students build confidence, improve their programming skills, and achieve their best possible results in ACSL.

Other competitions of interest to ACSL participants:

The Massachusetts Computer Science Olympiad is a high-school programming competition hosted by students at Brookline Teen Center. Our goal is to provide Massachusetts CS students with hands-on experience and opportunities to build a network of fellow coders through an in-person coding competition

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