5 Ways to Save 10+ Hours a Week on Lesson Prep

Lesson prep expands to fill whatever time you give it. There's always one more resource to find, one more slide to polish, one more activity to design. A 2023 RAND survey found that teachers in the U.S. work an average of 53 hours per week — and prep is the category most likely to eat into evenings and weekends.

This post isn't about working faster. It's about identifying the five prep tasks that consume the most time relative to their impact, and compressing each one.

1. Automate Study Material Creation

Time saved: 2-3 hours per week

If you're manually creating study guides, flashcard sets, or review sheets from your lecture content, you're spending hours on extraction and formatting — work that AI can do in minutes.

The workflow: upload your existing materials (slides, PDFs, recordings) to a tool like Tutoremy (free). Get organized notes, flashcards, and practice quizzes generated from your content. Review for 5 minutes, then share with your class.

This doesn't replace your teaching — it replaces the repetitive conversion work. The AI extracts; you verify. Net savings: the 2-3 hours you'd spend reformatting your own content into student-ready study aids.

Why this works: You're not creating from scratch. Your content already exists in your slides and materials. You're just converting it to a different format — and that conversion is exactly what AI does well.

2. Build a Reusable Template Library

Time saved: 2-4 hours per week

Most teachers recreate similar structures every week: the same slide format, the same quiz layout, the same worksheet skeleton. Building a library of templates eliminates that repeated work.

What to template:

• Slide decks — Master templates with your branding, standard layouts (title + bullets, comparison, worked example, practice problem). Start each new deck from a template, not a blank file.
• Quiz formats — One template per question type (MCQ, short answer, matching, fill-in-the-blank). Drop in the content; don't redesign the format.
• Worksheet layouts — Standard layouts for guided notes, lab reports, reading guides. Change the content each unit; keep the structure.
• Communication templates — Parent email templates for common scenarios (missing work, behavior note, positive update, conference reminder).

The first week of template-building takes time. Every subsequent week, you start from structure instead of from zero.

3. Batch Your Grading

Time saved: 2-3 hours per week

Grading one assignment at a time — picking it up, context-switching to it, evaluating it, putting it down, picking up the next — is the least efficient way to grade. Batching is the fix.

How to batch effectively:

• Grade all of one question before moving to the next — not all of one student's work before moving to the next student. This builds pattern recognition: by the fifth response to question 3, you can assess it in seconds.
• Use a rubric with point values, not vibes — Clear criteria eliminate the "hmm, is this a B+ or an A-?" deliberation. Check the boxes, add the points, move on.
• Set a timer — Give yourself a fixed window (e.g., 20 papers in 60 minutes). The constraint forces efficiency.
• Use AI for first-draft feedback — Tools like Brisk Teaching can generate rubric-aligned comments on student writing. You review and edit; the AI handles the initial draft.

4. Share and Adapt Instead of Creating from Scratch

Time saved: 2-3 hours per week

The best lesson plan for Unit 3 might already exist — created by a colleague, shared in a professional community, or available through a resource library. Adapting a good existing resource takes 20 minutes. Creating one from scratch takes 2 hours.

Where to find shareable resources:

• Department colleagues — Ask what they've built. Most teachers are happy to share. The norm of creating everything independently is a cultural habit, not a pedagogical requirement.
• Teachers Pay Teachers — Massive library of teacher-created resources. Some free, some paid (usually $3-8). Even paid resources are cheaper than your time.
• OpenStax / CK-12 / Khan Academy — Free, high-quality content for math and science. Adapt rather than rebuild.
• AI-generated starting points — Use Tutoremy or a lesson planning tool to generate a first draft, then customize. Starting from 80% is faster than starting from 0%.

The ego barrier is real: it feels like cheating to use someone else's worksheet. It's not. Adapting existing materials and spending the saved time on actual teaching is a better use of your expertise.

5. Eliminate Low-Impact Prep Tasks

Time saved: 1-2 hours per week

Not everything in your prep routine deserves the time you give it. Three common time sinks that can be compressed or eliminated:

Decorative slide design

Students don't learn more from slides with clip art, animations, and gradient backgrounds. Clean, readable slides with clear text and simple diagrams are faster to make and easier to study from. Stop polishing slides that students will see for 30 seconds.

Finding the perfect video clip

Spending 45 minutes searching YouTube for a 3-minute clip that perfectly illustrates a concept is a poor trade. Spend 5 minutes finding a "good enough" clip, or skip the video and explain it yourself — you're probably better at contextualizing it for your class anyway.

Over-preparing for contingencies

Planning three backup activities in case the main lesson runs short is prep time you'll rarely use. Have one flexible backup (a discussion question, a review game, or a practice problem set) and trust yourself to improvise if needed.

The Math

You won't implement all five at once. Start with the one that addresses your biggest time sink. For most teachers, that's either study material creation (automate with Tutoremy) or grading (batch it). Pick one, try it for a week, and see if the time savings are real.

The Short Version

The goal isn't to work faster — it's to spend less time on tasks that don't require your expertise (formatting, extracting, searching) and more time on tasks that do (teaching, mentoring, giving feedback).

AI handles the extraction. Templates handle the formatting. Batching handles the grading. Colleagues handle the resource discovery. What's left is the teaching — which is why you got into this in the first place.