Teachers keep asking me some version of the same question: Google put Gemini inside Classroom, so why would I need a separate grading tool? It is a fair question, and I have a stake in the answer. I teach with Google Classroom every day, and I built an AI-assistive grading tool that runs on top of it. So check everything I say here against Google's own documentation. I linked it throughout.
Short version, accurate as of June 2026: Gemini in Google Classroom does not grade student work. It can draft a feedback comment for one student's written assignment at a time, after you ask it to, and the draft carries no score. The feature only handles written work and only comes with the paid Education Plus or Teaching and Learning add-on licenses, per Google's feature documentation. If your district runs the free edition of Google Workspace for Education, the feedback feature is not there at all.
The longer version is worth your time, because Gemini in Classroom is genuinely useful once you know where the lines are.
What Gemini in Classroom does today
Google ships a set of Gemini tools inside Classroom for every Workspace for Education edition, including the free one. Those tools live on the planning side: generating lesson ideas, drafting quiz questions, building rubric drafts, that kind of thing. Gemini can convert rubrics from Drive and local files, and as of June 2026 it can read a photo of a paper rubric too. For prep work, the free tier is real.
The grading-adjacent feature is different. In February 2026, Google rolled out AI-suggested feedback for written assignments. When you are reading one student's written submission, you can click "Help me write" in the private comments and Gemini drafts a feedback comment based on the work, the grade level, and a focus area you pick. You review the draft, edit it, and decide whether to send it.
Credit where it is due: that design keeps the teacher in the loop, and I agree with it completely. The draft is a suggestion. You own what the student sees. That is exactly the right shape for AI in a classroom, and it is the same principle my own tool is built on.
What it does not do
Here is where the lines are, straight from Google's own documentation:
- It does not produce a grade or a score. It drafts comment text.
- It works one student at a time, one click at a time. If you have 150 submissions, that is 150 visits to 150 documents.
- It handles written assignments. A photographed lab notebook, a hand-drawn graph, a CAD export, a slide deck, a scan of handwritten math: not what it is for.
- It does not look across your class. There is no view that tells you 19 of your 32 students missed the same concept on Tuesday's assignment.
(Forms quizzes in Classroom still self-grade multiple choice the way they always have. That is answer-key matching, not AI reading student work.)
On that last point, Google Classroom does have an analytics view, and it is also limited to the paid licenses. It tracks engagement and outcomes: who turned things in, how grades are trending, who has gone quiet. Useful signals. But it reads the gradebook, not the student work. It can tell you that grades dipped. It cannot tell you why, because it never looks inside the submissions.
Google kept shipping Classroom AI through 2026. At BETT in January it previewed class-context features and a revamped dashboard; at ISTE in June it added a Classroom app in Gemini, rubric conversion from a photo of a paper rubric, and student-performance analytics it lists as still months away. Worth watching. But none of it grades the stack in your queue, and Google says so plainly. Its own documentation for the new Classroom app in Gemini states the assistant cannot "enter grades or provide private feedback directly."
The license catch
The feedback feature requires Education Plus or the Teaching and Learning add-on. Those are paid per-license upgrades that many districts, especially small ones, have never purchased. The free Workspace for Education Fundamentals tier that many districts run does not include AI-suggested feedback or Classroom analytics.
So the practical version of "Google already does this for free" is: your district pays for upgrade licenses, and then a teacher gets a comment-drafting assistant for typed essays, one student at a time. That is a real tool. It is not grading.
Where a grading assistant picks up
This is the part of the job I built ClassLens for: the pile.
You pick an assignment, set or paste a rubric, and ClassLens drafts a grade and written feedback for every submission in the stack, against your rubric. Everything lands in a Batch Review Dashboard where you read each suggested grade, change whatever you want, and release the batch to students when you decide it is ready. You are the last set of eyes on every grade. Nothing goes to a student without you.
It also reads the work your students actually turn in, not just typed essays: Google Docs, slides, spreadsheets, PDFs, photographed or scanned handwriting, student-drawn graphs and diagrams, CAD drawings exported as images, screenshots of code with console output, audio and video submissions, and assignments that mix several of those.
And because the AI reads every submission in the batch, ClassLens can do the thing no gradebook metric can: a Knowledge Gap Report for the assignment, showing which concepts the class as a whole misunderstood. That is the difference between knowing grades dipped and knowing what to reteach on Monday.
ClassLens works with any Google Workspace for Education edition, including the free one, because it connects through your Google account rather than a Workspace upgrade license. The honest caveat: your district's Workspace admin still controls which third-party apps teachers can connect, the same as for any tool Google did not build. If ClassLens is blocked at your school, the request form at classlens.com/request-review is the fastest way to start that conversation. There is a free tier of 100 submissions a month, and paid plans start at $10 a month. For the district office reading this: the security and compliance documentation is at classlens.com/security.
Use both
This is not an either-or. If your district already has Education Plus, the Gemini feedback drafter is good at what it does. Use it when you are sitting with one student's essay and want a starting point for a thoughtful comment. Use a grading assistant when about 450 submissions came in while you were out for two days and every one of them needs a grade and real feedback.
Google was always going to put AI in Classroom. What matters is what kind. Today, Gemini in Classroom helps you write one comment at a time. The pile is still yours.
Try ClassLens at classlens.com
ClassLens is an AI-assistive grading and teaching tool built by Evolved Academics, LLC. Steven Swanson is a 22-year classroom teacher in California. He teaches engineering (design/drafting, mechatronics, and senior capstone) in the four-year engineering academy at Whittier High School, and AP Computer Science and AP Physics online. He built ClassLens after two days of chaperoning field trips produced 450 ungraded assignments and none of the tools he tried could grade them.