Professor L's Composition and Writing Lab

Struggling with writing? You’re not alone.
This lab breaks writing into simple, learnable skills.
Start with a free lesson—and grow from there.

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About the Lab

Your Writing Guide, One Skill at a Time

Helping students grow stronger, clearer, and more capable as writers—skill by skill.

I’m Professor L—an educator, editor, and writing mentor with over 15 years of experience teaching composition. I created this Lab with college students in mind, but returning learners and lifelong writers will also find the support they need to build practical skills—one clear step at a time. Whether you're stuck on sentence structure or ready to tackle advanced essays, you’ll find structured lessons, real examples, and guidance designed to help you grow as a writer.

Start wherever you are. Learn at your pace. If you’re ready to become a more confident, capable writer, I built this Lab with you in mind—and you don’t have to do it alone.

How it works

A Skill-Based Approach to Better Writing

Start where you are. Learn at your pace.

This Lab organizes writing instruction into 7 skill tiers—from basic sentences to advanced essays.

The 7 Tiers:
Tier 1: Foundations – Learn the parts of a sentence
Tier 2: Sentence Skills – Combine, expand, and repair
Tier 3: Paragraphs – Focus, support, and coherence
Tier 4: Essay Structure – Strong introductions, conclusions, and body paragraphs
Tier 5: Style – Diction, clarity, tone, and rhetorical devices
Tier 6 (in development): Research & MLA citation
Tier 7 (in development): Argument & Advanced Rhetoric

Access Plans:

This site follows a tiered structure—starting with grammar and sentence fluency and building toward advanced rhetorical techniques and stylistic control.

Tier 1–5 available Fall 2025

  • Free access students can explore select lessons in Tiers 1–4

    • Learn foundational grammar and paragraph skills with sample lessons and practice activities.

  • Standard access gives complete access to Tiers 2–3 and select Tier 4 Skills

    • Build sentence fluency and paragraph strength with full access to core writing skills.

  • Full unlocks everything through Tier 5, including worksheets and quizzes.

    • Full unlocks everything through Tier 5, including worksheets and quizzes.

Whether you're a student, professional, or lifelong learner, there's a plan that fits your goals and experience level.

Tiers 6 and 7 are in development and will be released as part of a future Advanced Access plan. These upper levels are primarily intended for experienced writers, educators, and those seeking mastery of advanced writing concepts.

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Explore one of our most popular writing skills—no login required. You'll see how each lesson breaks writing into manageable, learnable parts.

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