Peer Learning and Co-Teaching Models for Online Courses

Peer Learning and Co-Teaching Models for Online Courses
by Callie Windham on 7.11.2025

When you teach an online course alone, it’s easy to feel like you’re talking into a void. Students log in, watch videos, submit assignments, and disappear. No raised hands. No side conversations. No energy. That’s why more instructors are turning to peer learning and co-teaching models-not as nice-to-haves, but as essential tools to keep learners engaged, accountable, and actually learning.

Why Peer Learning Works in Online Courses

Peer learning isn’t just group work with a fancy name. It’s when students teach each other, give feedback, and build understanding together. In a traditional classroom, this happens naturally-someone explains a concept to a neighbor, a study group forms after class. Online? That doesn’t happen by accident. You have to design it.

Research from the University of Michigan found that students in peer-led online courses retained 70% more information after two weeks compared to those who only watched lectures. Why? Because explaining something forces you to organize your thoughts. Teaching someone else isn’t just helpful for the learner-it’s the best way for the teacher to solidify their own understanding.

Here’s how it works in practice:

  • Students are paired or grouped into small teams of 3-4 for the duration of the course.
  • Each week, one student leads a 15-minute discussion on a key topic, using their own examples and questions.
  • Peers respond with feedback, corrections, or additions using a simple rubric: clarity, relevance, depth.
  • These peer-led sessions are recorded and shared with the whole class-not for grading, but for reflection.

This isn’t about replacing the instructor. It’s about multiplying the teaching capacity. One instructor can’t give personalized feedback to 100 students. But 100 students can give each other feedback-and they often do it in ways that feel more relatable than a professor’s email.

Co-Teaching: Two Instructors, One Course

Co-teaching in online courses means two instructors share responsibility for designing, delivering, and assessing the course. It’s not just having a guest lecturer once a week. It’s true collaboration: planning together, teaching together, responding together.

Think of it like a podcast with two hosts. One might be strong in theory, the other in real-world application. One is great at explaining complex ideas, the other at sparking discussion. Together, they cover more ground-and students get a richer experience.

A case study from the University of Auckland showed that an online art history course taught by two instructors-one a museum curator, the other a practicing artist-saw a 40% increase in student participation and a 25% improvement in final project scores. Why? Students saw two different ways of thinking about the same material. They weren’t just learning facts-they were learning how experts debate, question, and build knowledge.

Effective co-teaching looks like this:

  • Both instructors co-design the syllabus and weekly modules.
  • They alternate leading live sessions or recording video lectures.
  • They jointly moderate discussion boards, responding to student posts as a team.
  • They provide feedback using a shared rubric so students don’t get mixed messages.

The biggest mistake? Treating co-teaching as a division of labor-"I’ll do the lectures, you handle grading." That doesn’t work. Co-teaching requires synergy. You have to be on the same page, literally and figuratively.

Combining Peer Learning and Co-Teaching

The real magic happens when you layer peer learning on top of co-teaching.

Imagine a course on creative writing taught by two instructors: one a published novelist, the other a writing coach who’s helped dozens of students get published. They each lead weekly live workshops. But here’s the twist: before each session, students are assigned to small peer groups to critique each other’s drafts using a structured template. Then, during the live session, the instructors don’t just give feedback-they highlight standout peer comments and ask the group: "Why did this feedback work?"

Now students aren’t just waiting for the "expert" to fix their work. They’re learning how to give useful feedback themselves. And when the instructors respond, they’re not just correcting-they’re modeling how professionals think about revision.

This model turns students from passive consumers into active participants in the learning ecosystem. And it scales. You can have 50 students in a course and still make each one feel seen, because they’re learning from peers, mentors, and instructors-all at once.

Two instructors teaching together in a split-screen online session, students' avatars visible below, sharing a rubric on screen.

What Doesn’t Work

Not every peer activity is effective. Here are the most common failures:

  • Forced peer review with no training. If you just say "review your classmate’s essay," you’ll get one-sentence comments like "good job." Teach students how to give feedback using prompts: "What surprised you? What’s unclear? What’s missing?"
  • Co-teaching without alignment. If two instructors have different grading styles or conflicting expectations, students get confused. Use a shared rubric. Hold weekly syncs. Agree on key messages.
  • Peer learning as an afterthought. Don’t tack it on at the end of the syllabus. Build it into the structure. Make peer interactions worth 30% of the grade. Make them mandatory.

Another mistake: assuming all students are comfortable speaking up. Some are quiet. Some are shy. Some are from cultures where challenging authority is discouraged. Peer learning must be designed with equity in mind. Use anonymous feedback tools. Allow text-based discussions. Offer multiple ways to participate.

Tools That Make It Work

You don’t need fancy software. But you do need the right tools to make collaboration easy.

  • Padlet or Miro for visual peer feedback boards.
  • Flip for short video responses-students record 2-minute clips reacting to each other’s work.
  • Google Docs with comment threads for collaborative writing.
  • Discord or Slack channels for peer study groups (optional, but helpful).

For co-teachers: use Notion or Airtable to co-plan. Share a calendar. Assign roles clearly. Keep a shared document of student questions and responses so neither instructor repeats work.

An abstract tree diagram symbolizing peer learning and co-teaching, with glowing connections between instructor and students.

Who Benefits the Most?

Peer learning and co-teaching don’t just help students. They help instructors too.

For new instructors: co-teaching with someone experienced reduces burnout. You’re not alone in figuring out what works.

For seasoned instructors: it renews your energy. Seeing students engage with each other reminds you why you teach.

For students: it builds community. Online learning can feel isolating. Peer learning creates belonging. Co-teaching shows them that knowledge isn’t fixed-it’s built through conversation.

One student in a co-taught online course on digital storytelling said: "I didn’t realize I could learn so much from my classmates until I started reading their drafts. I started writing better because I wanted to impress them-not just the professor."

Getting Started

Want to try this in your course? Start small.

  1. Choose one module-maybe week 3-to pilot peer feedback.
  2. Pair students up and give them a simple rubric.
  3. Ask one of your teaching assistants or a colleague to co-teach one session.
  4. Collect feedback: "What did you learn from your peer? What surprised you?"
  5. Adjust for next time.

You don’t need to overhaul your whole course. Just change one thing. See what happens. Often, students will do the rest.

Final Thought

Online education doesn’t have to be lonely. It doesn’t have to be one person talking at a screen. When you bring in peer learning and co-teaching, you turn a one-way broadcast into a living conversation. And that’s when real learning happens.

Can peer learning replace instructor feedback?

No. Peer learning complements, but doesn’t replace, instructor feedback. Students benefit from hearing different perspectives, but they still need expert guidance to understand complex concepts, correct misconceptions, and meet learning outcomes. Use peer feedback as a layer-not a substitute.

How do you grade peer learning activities fairly?

Grade based on participation, effort, and quality of feedback-not on the accuracy of their critiques. Use a simple rubric: Did they respond thoughtfully? Did they use the provided prompts? Did they engage with at least two peers? You’re assessing their engagement, not their expertise.

What if students don’t participate in peer learning?

Make it required and low-stakes. Assign a small portion of the grade (5-10%) to peer activities. Use anonymous tools so students feel safe. Start with simple tasks: "Reply to one classmate with one insight." Most students will join once they see others are doing it.

Can co-teaching work with just one instructor and a TA?

Yes. A TA can act as a co-teacher if they’re involved in planning, teaching, and feedback-not just grading. Give them space to lead discussions, record short videos, or moderate forums. Their role becomes instructional, not administrative.

How do you handle conflicts between co-teachers?

Set expectations early. Have a monthly planning meeting to align on goals, grading, and communication style. If disagreements arise, focus on student outcomes: "What helps learners the most?" Keep the student experience at the center, not personal preferences.