This session with Tim Gallagher is offered ONLINE during Week 1: June 15-18, 2026 and again ONLINE during Week 2: June 22-25, 2026. 

Meet your APSI Consultant for AP Computer Science A

Tim Gallagher is a Computer Science and Mathematics Teacher at Winter Springs High School, located just outside of Orlando Florida. Tim has taught AP® Computer Science A since 2000.He also teaches IB Computer Science, IB Mathematics, and Dual-enrollment Computer Science courses at Seminole State College. Tim is a long time reader for AP® Computer Science A, and has served in most leadership roles, including Question Leader, Exam Leader, and Assistant to the Chief Reader. He was also a member of the College Board’s AP® Computer Science A Development Committee from 2017–2023, and served as the high-school co-chair of the committee 2020–2022,where he was responsible for leading the content development of the AP® Computer Science A Exam each year. Tim is a content contributor for the College Board’s AP® Classroom online resource, where he develops AP® Computer Science Daily videos, and hosts the annual “AP® Daily Practice Sessions”, preparing a series of videos to help students worldwide prepare for the AP® Computer Science A exam.

APSI Session Description

This online AP Computer Science A Summer Institute is a hands-on, engaging professional development experience designed to prepare teachers to confidently implement and deliver the updated AP Computer Science A course. With a focus on the new course framework and 2026 exam format changes, participants will explore each of the four revised units through collaborative discussions, practical coding activities, and proven instructional strategies for the entire Computer Science A course. The institute emphasizes effective planning, teaching, and assessment practices, while also diving into essential AP Classroom resources such as Unit Guides, Personal Progress Checks, AP Videos, and the AP question bank. Teachers will gain a deeper understanding of Java programming, learn how to activate their digital AP resources, and develop classroom strategies for pacing, student recruitment, and exam preparation. Whether you’re new to AP or looking to sharpen your approach, this institute will equip you with the tools, confidence, and community support to help your students succeed.
2026 WaltonAPSI Online / AP Computer Science A /Tim Gallagher