The grading canvas for every classroom
Students keep working on paper. Frizzle reads every page and shows you who’s stuck, what’s spreading, and what each student needs next.
Free for teachers · FERPA & COPPA
One workspace for every stack of paper. Snap it on your phone or drop a PDF on the web — every page lands on the right student, graded in minutes.
PERIOD 3 · ALGEBRA I
Unit 4 Quiz — Linear Equations
28 of 28 graded · median 78% · 9 students with the same sign slip
Grade anything students write
Math, essays, labs and short answers — every step read, scored and explained.
See how it reads →Teach with intention
Misconceptions, standards and tomorrow’s reteach, pulled from real work.
Explore insights →Move from paper to plan in one pass. Frizzle reads every step, names each misconception, and hands you the lesson for tomorrow — while you’re still in the room.
Pages split into per-student submissions and match every name on your roster.
Every worksheet scored automatically, with feedback written for each student.
Misconceptions, standards mastery and who to check in with — pulled from real work.
Every subject, read closely. Algebra to essays to lab reports — Frizzle reads the work the way you would, step by step.
Try it on your next stack →- Algebrax = 7
Handwriting
Confidence97%
- GeometryMs. Chen
Rubric · Q3
Points3 / 4
- Chemistry2H₂ + O₂
→ 2H₂OEquation
Balanced✓
- ELA
The narrator can’t be trusted because he keeps changing the story…
FrizzleEvidence
Claim✓
- Biology
Mitosis
Stages in order4 / 4
- History1776Ms. Chen
Cause & effect
Share feedback
Score3 / 4
- PhysicsF = maMr. Ortiz
Units
Missing6 answers
- Fractions · Grade 5
½ + ⅓
= ⅚✓
Live in over 30 schools and districts. From Greenwich to Arizona State — backed by Y Combinator and pledged with the White House.
- Greenwich Public Schools
- Hazelwood School District
- Emery County School District
- Meridian CUSD #223
- Vanderbilt University
- Arizona State University
- Backed by Y Combinator
- White House AI Education pledge
Privacy isn’t a checkbox. It’s the foundation. Student work never trains our model, and data stays yours.
Full FERPA & COPPA compliance. SOC 2 Type II audited annually, and we sign your district’s DPA.
Encrypted at rest and in transit. Student PII never leaves your district.
One-click export, deletion on request. We don’t train on student work. Ever.
Explore what teachers grade with Frizzle. Real assignment types, back the same day.
- Exit ticketsOne question, 28 answers, sorted by misconception.
Exit ticket · 10/14
−12 ÷ −3 = ?4 - Lab reportsData tables, units and conclusions, checked.
Fig. 1 — rate vs. temperature
- Essay draftsClaims, evidence and structure, with comments in the margin.
The narrator can’t be trusted because he keeps changing the story, first saying…
Add a quote here - Unit testsMultiple choice and show-your-work, on the same page.
7. Which is equivalent to 2(x − 3)?
- 2x − 3
- 2x − 6
- x − 6
- 2x + 6
- Warm-upsFive minutes at the bell, graded before the lesson starts.
Warm-up
½ + ⅓ = ⅚ - HomeworkA whole stack from the weekend, back on Monday.
28 pages
The classrooms you know are graded with Frizzle
“Teachers spend over 10 hours a week grading. Frizzle gives them that time back by instantly grading handwritten and typed math worksheets using AI.”
schools and districts using Frizzle, from Greenwich to Arizona State
Grading no longer has to wait for the weekend
Start grading free