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How to Build a Custom GPT to Encourage Iterative Learning

Jul 16, 2025

If you’ve ever read an assignment and thought, “Did this student spend more than 10 minutes on this?”—you’re not alone.

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Entrepreneurship educators often face low-effort submissions, last-minute questions, and students who don’t take feedback seriously.

The result?

You spend hours grading and repeating yourself, while students miss out on the learning that comes from thoughtful iteration.

There’s a better way.

By giving students AI-powered feedback before they submit, you can improve effort, deepen reflection, and reduce grading headaches.

In this article, we’ll walk through two easy options:

What Is a Custom GPT and Why Use One in Class?


A custom GPT is a personalized version of ChatGPT you design for your class.

You provide the rubric, structure, and goals, and the GPT gives your students targeted, consistent feedback before they submit work.

Why It’s a Game Changer:

  • Consistent: Students gets feedback aligned to your rubric.
  • Instant: Students can revise any time, without waiting on you.
  • Empowering: Shifts responsibility to students to improve their work.

Example Use Cases:

  • Pitch Scripts: Students upload a draft and receive feedback on clarity, persuasiveness, and storytelling.
  • Customer Interviews: GPT reviews their questions for bias and depth.
  • Reflections: Students paste journal entries to get suggestions for deeper insight.

With a Custom GPT, students can improve their work before it reaches your inbox.

👉 Building a custom GPT requires a ChatGPT Plus account ($20/month as of 07/13/2025).

Your students will be able to use your custom GPT with a free account.

Step-by-Step: How to Build a Custom GPT


Tools You’ll Need:

Here’s how to build your own in under an hour:


Step 1: Use Prompt Maker GPT

Start by telling Prompt Maker what your GPT should do.

Below is an example prompt to give to the Prompt Maker GPT.

This one is specific for providing feedback on a pitch assignment, but you can modify the instructions for any assignment:

“I want to create a custom GPT that provides my college entrepreneurship students detailed developmental feedback on their scripts for a pitch they will make to investors about their idea for a new product or service. I will upload a rubric I use for assessing the pitch, then the student can upload their pitch script, then I want the custom GPT to provide very detailed developmental feedback to the student based on the rubric.”

The Prompt Maker will generate the right language and formatting for your GPT setup.


Step 2: Go to “Create” in ChatGPT’s Explore GPTs

From the ChatGPT home screen:

  1. Click Explore GPTs
  2. Click “Create” in the top right corner
  3. Add a name, a short description, and paste in the prompt you just generated with the Prompt Maker above.

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Step 3: Refine your instructions

Make sure your GPT is configured to give detailed, developmental feedback – strengths and areas for improvement – for each rubric category, plus a summary.

how-to-build-a-custom-gpt-step-3


Step 4: Upload Rubrics, Examples, and Guides

Add:

  • Grading rubrics (PDFs, Google Docs, etc.)
  • Sample scripts or templates
  • Instructions or FAQs

how-to-build-a-custom-gpt-step-4

The more information you provide while creating your GPT, the better the feedback.


Step 5: Set a Simple Conversation Starter

Example:

“Welcome! Paste your pitch script and I’ll give you rubric-based feedback.”

Avoid technical instructions—make it feel welcoming and student-friendly.


Step 6: Test Before Sharing

Upload a sample assignment and see how your GPT responds.

Finally, tweak the prompt or resources if needed. Once it’s working well go ahead and share the link with your students.

You can find a step by step walk through of this process below:

Don’t Want to Build a GPT? Try Feedback Loops


If you don’t have time to build a GPT, ExEC’s Feedback Loops are a perfect alternative.

Feedback Loops are built into the Experiential Entrepreneurship Curriculum (ExEC). They guide students through:

  1. Answering open-ended questions
  2. Receiving instant AI feedback
  3. Revising before submission

No tech setup. No student accounts. Just better learning.

Benefits:

  • Reduces grading time
  • Encourages reflection
  • Boosts submission quality

Want to see it in action?

Preview ExEC Now

Custom GPTs vs. Feedback Loops


  • If you want flexibility and already use ChatGPT Plus, a Custom GPT is great.
  • If you want a ready-to-go tool with no tech overhead, Feedback Loops are ideal.

What Next?


Whether you build a Custom GPT or use ExEC’s Feedback Loops, AI can help you:

✅ Reduce grading time
✅ Improve student submissions
✅ Encourage deeper learning

Ready to try it?

Scroll back up and build your own GPT or…

Preview ExEC


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