SubSchool

Free AI tools and calculators for teachers and tutors

Get a useful result before signup. AI generators include privacy guidance and a fair-use limit; calculators run entirely in your browser.

Free tools

Choose a tool for the job in front of you

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AI generator

AI course outline generator

Plan outcomes, modules, lessons, practice, and evidence for a specific audience and level.

Inputs
Course topic · Audience and level · Target outcome
Output
Structured teaching draft
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AI generator

AI lesson plan generator

Build a timed lesson plan with explanation, guided practice, independent work, and an exit check.

Inputs
Subject · Grade or level · Learning objective
Output
Structured teaching draft
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AI generator

AI homework generator

Turn lesson context or source material into editable practice with answer expectations.

Inputs
What was taught · Learner level · Number of tasks
Output
Structured teaching draft
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AI generator

AI rubric generator

Create measurable criteria, weights, performance levels, and a student-friendly version.

Inputs
Assignment · Learning objective · Learner level
Output
Structured teaching draft
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AI generator

AI quiz generator

Create multiple-choice and short-answer questions with an answer key and explanations.

Inputs
Topic or source text · Level · Question count
Output
Structured teaching draft
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AI generator

AI worksheet generator

Create progressive printable practice with an answer key and differentiation options.

Inputs
Subject · Level · Objective
Output
Structured teaching draft
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AI generator

AI essay feedback for teachers

Draft criterion-specific feedback without making the teacher’s final assessment decision.

Inputs
Essay prompt · Anonymized essay · Rubric or criteria
Output
Structured teaching draft
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AI generator

Online course description generator

Create short and detailed course descriptions, outcomes, prerequisites, and an honest FAQ.

Inputs
Audience · Course outcome · Core content
Output
Structured teaching draft
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AI generator

Tutor bio generator

Write a clear short and long tutor profile without vague claims or invented credentials.

Inputs
Subjects · Students you help · Real experience and evidence
Output
Structured teaching draft
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AI generator

Tutoring session notes generator

Summarize an anonymized session, misconceptions, next actions, homework, and a parent update.

Inputs
Anonymized session notes · Learning goals · Next lesson date
Output
Structured teaching draft
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Browser calculator

Tutoring rate calculator

Estimate a sustainable hourly rate from income, capacity, preparation, admin, and overhead.

Inputs
Target annual income ($) · Billable weeks per year · Paid lessons per week
Output
Transparent planning model
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Browser calculator

Online course pricing calculator

Model a price range from costs, audience, support load, and target revenue.

Inputs
Production cost ($) · Expected students · Support cost per student ($)
Output
Transparent planning model
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Browser calculator

Online course revenue calculator

Estimate gross sales, net revenue, support cost, and break-even across realistic scenarios.

Inputs
Course price ($) · Qualified visitors · Conversion rate (%)
Output
Transparent planning model
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How these tools work

Useful first result, teacher-controlled next step

Editable outputs

Copy, revise, and adapt every result to your learners and teaching context.

Privacy guidance

Every generator tells you what to remove before submitting source material.

Do more than copy generated text

Public tool results are not imported or saved in SubSchool automatically. Copy a result, then use the matching authenticated editor or workflow to create supported entities.

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Teacher review

AI provides a first pass. The final teaching, feedback, and assessment decision stays with you.