High School Computer Science Curriculum & Worksheets

Classroom-tested Java, HTML/CSS, Python, and Cybersecurity resources built for student engagement.

Java, HTML, Python, and Web Development curriculum illustration for Mr. H Codes

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Teaching Insights

Practical classroom strategies for teaching CSP Python, building confidence, and helping beginners succeed (without overwhelm).

CSP Python January 8, 2026

How I Teach CSP Python to Beginners (and Keep Them Confident)

Simple routines, quick wins, and beginner-friendly strategies that help students feel successful from the very first week.

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CSP Python January 8, 2026

Why I Teach Debugging Before Students Feel “Bad at Coding”

How normalizing errors early helps students build confidence, independence, and problem-solving skills in Python.

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Free Computer Science Resources

Java Loops Worksheet

A complete worksheet covering for and while loops with answer key.

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HTML Tag Hunt

An introductory activity to get students familiar with common HTML tags.

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Python Variables

Simple exercises to practice variable assignment and data types in Python.

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About Mr. H Codes

I’m a high school Computer Science teacher who creates classroom-ready coding worksheets, projects, and full-year pathways for Java, Web Development, and more. My goal is to save teachers time while providing rigorous, engaging materials for students of all levels.

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