The data represents survey responses from software engineering students participating in 2 hackathons. The first hackathon consists of 2nd-year Undergraduate Software Engineering Students and the second hackathon consists of 1st year Masters Software Engineering students. The survey(s) were distributed after each hackathon in March 2021 and July 2021. The surveys consist of multiple-choice, Likert-Style and open-ended questions addressing students' hackathon experience, self-reflection of knowledge and application of various software engineering best practices. The images are examples of UML Diagram submitted by consenting participants for the Summer Hackathon.