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For teachers, by a veteran planner
Prepbell
The AI lesson planner built for teachers. Enter your subject, standards, and curriculum details — get back a complete, standards-aligned lesson plan — every section ready to use, no editing required.
New here? How to get the most out of Prepbell
- Pick what you're planning: a single lesson, a weekly submission, or a full multi-week unit.
- Fill in your subject, grade, state, and standards — then attach curriculum docs (PDF, DOCX, or TXT) so plans follow your actual materials.
- Attach your district's lesson plan template (DOCX or PDF) to get finished plans in your required format.
- Add a class profile so differentiation targets your real students, not a generic classroom.
- Save your setup as a preset — next time, planning starts with one click.
- After generating: revise any section or the whole plan, make a substitute version, format with your template, then print, download for Word, or save the plan to your library to reuse later.
- Need assessments? The Assessment Studio below the planner builds rubrics, quizzes with answer keys, and a first-pass grader — never paste student names into graded work.
Free trial — no account needed: 3 of 3 AI generations left. Revisions, sub versions, template formatting, and exports are all included while your trial lasts.
My presets
Save your subject, standards, sections, and template as a one-click setup for next time. Log in to keep these on every device — otherwise they only live on this browser.
What are you planning?
One class period, fully built out.
Attachments
Attach curriculum guides, standards documents, or unit outlines — PDF, DOCX, or TXT (up to 10 MB each). You can also drag & drop files anywhere on this panel, or paste text straight into "Curriculum info" above.
Lesson plan template (optional)
Attach your school's template (DOCX or PDF) — or drag & drop it onto this panel — and get the finished plan in that exact format. Structure, tables, and field labels are matched; logos and graphics come back as labeled placeholders to re-add after export.
Lesson plan sections
Using the standard 8-section format.
Lesson Overview & ObjectivesMaterials & PrepWarm-Up / HookDirect InstructionGuided & Independent PracticeDifferentiationAssessment & Exit TicketHomework / Extension
Subject, grade level, and topic are required.
Assessment Studio
Rubrics, quizzes, and a first-pass grader — built from the class details above. Each creation uses one AI generation.