12th Grade · Coding
12th Grade Coding Worksheets
High school computer science covers programming in a text language such as Python or JavaScript, data structures, algorithms and their efficiency, and object-oriented design. Students also study networks, cybersecurity and the impact of computing, preparing for AP Computer Science Principles and AP Computer Science A. These twelfth grade coding worksheets are free printable PDFs for review and test practice, many with answer keys for grown-ups.
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10 worksheets
Mixed code tracing: what does it print? (practice)
Coding · 9–12 · Worksheet · 1 page
Algorithm efficiency word scramble
Coding · 10–12 · Puzzle · 1 page
Trace the strings: indexing and slicing
Coding · 10–12 · Worksheet · 1 page
Machine learning: fill in the blanks
Coding · 11–12 · Reading · 1 page
Building software: fill in the blanks
Coding · Grade 12 · Reading · 1 page
History of programming timeline: what happened when?
Coding · Grade 12 · Worksheet · 1 page
History of programming word search
Coding · Grade 12 · Puzzle · 1 page
Machine learning crossword
Coding · Grade 12 · Puzzle · 1 page
Caesar cipher: algorithm efficiency
Coding · Grade 12 · Puzzle · 1 page
Trace the lists: indexes, loops and append
Coding · Grade 12 · Worksheet · 1 page
Guide for grown-ups
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