ESL teacher reviewing student essays with rubric on screen

How to Use Gradescope for ESL Writing Assessment (2025 Guide)

By AI for ESL 10 min read

Grading 30 essays is exhausting. By essay 15, you’re marking “weak thesis” and “article error” on autopilot. By essay 25, you’re wondering if your standards have drifted. By essay 30, you’ve forgotten what a strong essay even looks like.

That’s the grading fatigue problem. And it’s killing your feedback consistency.

Gradescope fixes this by flipping how grading works. Instead of grading each essay from start to finish, you grade all 30 thesis paragraphs, then all 30 body paragraphs, then all 30 conclusions. Same criteria, fresh in your mind, applied consistently across every paper.


What is Gradescope?

Gradescope is an AI-powered grading platform from Turnitin, used by over 140,000 instructors at 2,600+ universities worldwide. It started in STEM departments for grading problem sets and programming assignments, but its rubric-based system turns out to work well for ESL writing assessment too.

What Gradescope Offers:

Question-by-question grading (batch similar elements together) Dynamic rubrics you can edit mid-grading Statistics showing which errors appear most often Anonymous grading to reduce bias LMS integration (Canvas, Blackboard, Moodle) Collaborative grading for teaching teams

The core insight is simple: grading by question instead of by student keeps your standards consistent. You’re comparing thesis to thesis, not essay to essay. Your brain can hold “what makes a good thesis” much better when that’s all you’re looking at.


Why Gradescope Works for ESL Assessment

Here’s what most grading tools miss about language learning: ESL students make different kinds of errors than native speakers, and those errors follow patterns.

A native speaker might write “their” instead of “there” occasionally. An ESL student might omit articles entirely, consistently, because their L1 doesn’t have articles. That’s not a random mistake - that’s a systematic gap you can teach to.

Gradescope’s statistics dashboard surfaces these patterns. After grading an assignment, you can see that 75% of students lost points for “missing articles” or that 60% had “weak topic sentences.” That’s not just grading data - that’s diagnostic information that tells you what to teach next.

Pro Tip: Export the statistics after every major assignment. Over the semester, you’ll build a data trail showing whether your grammar instruction is actually working. If article errors drop from 75% to 40%, you know something’s clicking.

The other big shift is dynamic rubrics. Traditional rubrics are set in stone before you start grading. Gradescope rubrics can be modified mid-grading - and changes apply retroactively to all papers you’ve already graded.

Why does this matter? Because you don’t know what errors will appear until you start reading. Maybe you planned to dock points for “verb tense errors,” but after grading 10 papers, you realize students are specifically struggling with present perfect vs. past simple. You can add that as a distinct rubric item, apply it retroactively, and suddenly you have precise data on that specific issue.


4 Practical Ways to Use Gradescope for ESL Writing

ESL instructor using laptop to grade essays

1. Essay Portfolio Assessment

Create a comprehensive ESL writing rubric with categories like:

  • Organization (thesis clarity, paragraph structure, transitions)
  • Grammar accuracy (verb tense, articles, subject-verb agreement)
  • Vocabulary range (word choice sophistication, collocations)
  • Content development (support, examples, analysis)

Use the same rubric across all essay types - argumentative, compare/contrast, research papers - throughout the semester. The data accumulates over time, showing where each student improved and where they plateaued.

One of my colleagues tracked a student who went from losing points on “article errors” in 8 out of 10 rubric items in September to just 2 out of 10 by December. That’s not a vague impression of improvement - that’s documented evidence for progress reports and parent conferences.


2. Diagnostic Grammar Quizzes

This is where Gradescope gets interesting for ESL teachers. Create a short grammar quiz - maybe 15 sentences testing specific structures - and upload it as a Gradescope assignment.

Grade question by question. You’ll immediately see which grammatical structures cause the most difficulty. If question 7 (testing present perfect) has an 80% error rate across your B1 class, you know what needs re-teaching.

No more guessing “I think students struggle with present perfect.” You know they struggle with present perfect because 24 out of 30 got question 7 wrong.

Assignment Idea: Create a “grammar diagnostic” at the start of each unit. Upload to Gradescope, grade question-by-question, then design your mini-lessons around the actual gaps rather than your assumptions about what students need.


3. Collaborative Grading for Multi-Section Programs

If you teach in an intensive English program with multiple instructors teaching the same course, Gradescope ensures everyone applies identical standards.

Here’s how it works: One instructor creates the master rubric. All instructors grade together in Gradescope with real-time visibility into each other’s work. If one instructor is applying “weak thesis” too liberally, the team can see it and calibrate.

I’ve seen IEPs use this for placement essay calibration. Five instructors grading the same stack of essays, comparing scores in real-time, discussing borderline cases. By the end, everyone’s on the same page about what “B1 writing” looks like versus “B2 writing.”

This matters for students too. When they move from one section to another, the grading feels consistent. No more “Professor A is easy, Professor B is harsh.” The rubric is the rubric, applied uniformly across the program.


4. Timed Writing Assessment with Handwritten Responses

For placement tests or timed essay exams where students write by hand, Gradescope handles the scanning workflow.

You scan all the handwritten responses (or photograph them with a phone), upload them to Gradescope, and the platform organizes everything. Students get matched to their submissions, pages get sorted, and you can annotate directly on the handwritten work while applying your standardized rubric.

The annotations save time in multiple ways. Instead of writing “This paragraph needs a clearer topic sentence” by hand on 30 papers, you create a rubric item called “weak topic sentence” with an explanation. One click applies it, and the explanation travels with the score.

Pro Tip: For handwritten assessments, invest in a good scanner or document camera. Phone photos work, but consistent lighting and alignment make the grading experience much smoother. Some institutions have scan stations in the testing center specifically for Gradescope.


Building Your First ESL Rubric in Gradescope

Don’t try to anticipate every possible error before you start grading. That’s a recipe for overwhelm.

Instead, start with broad categories:

  1. Organization - Does the essay have a clear structure?
  2. Grammar - Are there patterns of grammatical errors?
  3. Vocabulary - Is word choice appropriate for the level?
  4. Content - Is the argument or description developed?

Within each category, start with just a few rubric items. Then, as you grade the first 10 papers, you’ll discover what specific issues appear. Add rubric items for those specific issues:

  • “Article errors (missing or incorrect)”
  • “Run-on sentences”
  • “Verb tense inconsistency”
  • “Topic sentences missing”

Gradescope lets you add these mid-grading and retroactively apply them. By the time you finish the stack, your rubric reflects the actual errors in your students’ writing, not your theoretical predictions.

Save this rubric as a template. Next assignment, you import it, maybe tweak a few items, and start grading with a tool that’s already calibrated to your students’ patterns.


The Analytics Dashboard

After you finish grading, spend five minutes in Gradescope’s statistics dashboard before you close the assignment.

What to look for:

  • Which rubric items appeared most frequently? (These become your teaching priorities)
  • Which questions or essay sections had the lowest scores? (This is where students struggle most)
  • How does the score distribution compare to previous assignments? (Are students improving?)

Screenshot this data. Add it to your lesson planning notes. The connection between assessment data and instruction is Gradescope’s hidden value for ESL teachers.

If you’re teaching multiple sections, compare the statistics between sections. If Section A has 70% article errors and Section B has 45%, what’s different about how articles were taught? That’s actionable program-level data.

Program Directors: Gradescope’s aggregate statistics can support accreditation documentation. When the accreditor asks “How do you measure student learning outcomes?” you can show semester-over-semester data on specific skill areas.


Limitations to Know About

Gradescope wasn’t built for language learning. It came from computer science and physics grading, where answers are more black-and-white.

What this means practically:

  • The AI-assisted grouping feature (which automatically groups similar answers) works well for math problems but struggles with ESL writing where students express similar ideas in different phrasings
  • The interface prioritizes rubric-based scoring, so holistic assessment or qualitative feedback requires workarounds
  • Full features require an Institutional license - individual teachers can’t purchase full access independently

The institutional pricing is the biggest barrier for most ESL teachers. If your university doesn’t have Gradescope, you’re stuck with the Basic free plan, which lacks collaborative grading, anonymous grading, and advanced rubric functionality.

If you’re at an institution without Gradescope, it might be worth advocating for adoption - especially if other departments are already using it for STEM courses. The licensing often covers all instructors once the institution signs on.


Getting Started This Week

Step 1: Check if your institution has Gradescope. Ask your IT department or LMS administrator. Many universities already have licenses through their Turnitin contract.

Step 2: If you have access, create a test assignment. Upload one class’s worth of essays just to learn the interface. Don’t grade for real the first time - just experiment with creating rubric items and navigating the platform.

Step 3: Build your first real rubric with broad categories. Grade one assignment using question-by-question mode. Add specific rubric items as you discover recurring errors.

Step 4: After grading, review the statistics dashboard. Note the top 3 error patterns. Design your next lesson to address at least one of them.

Step 5: Save your rubric as a template. Refine it over the semester based on what you observe. By the end of the term, you’ll have a rubric that actually matches your students’ error patterns.


The Bottom Line

Gradescope transforms ESL grading from an overwhelming time sink into a systematic process that produces consistent feedback and actionable data.

Grading by question keeps your standards stable across 30 papers. Dynamic rubrics adapt to what you actually find. And the statistics tell you what to teach next.

It won’t write your feedback for you - you’re still the expert on language learning. But it will ensure your expertise gets applied consistently, documented clearly, and connected directly to instruction.

Ready to explore Gradescope? Check out the full tool details on our Gradescope page, or browse our complete directory of grading and assessment tools to compare options.

If you’ve tried Gradescope for ESL writing - or found other approaches that work for high-volume grading - I’d be curious to hear what’s worked.