Get Found by 250,000+ Students Preparing for the Duolingo English Test
Arno provides structured lesson plans and speaking materials — you focus on delivering engaging sessions that help students succeed on the DET.
Free to join • No commitments • Start earning

Everything You Need to Succeed
We provide the lesson plans, students, and support so you can focus on what you do best: teaching.
Massive Student Reach
Get discovered by 250,000+ students from 200+ countries actively preparing for the Duolingo English Test.
Flexible Schedule
Teach when it works for you. Set your own hours and work from anywhere in the world.
Set Your Own Rates
You decide what to charge. We charge a platform fee as low as 10%, so you keep the vast majority of everything you earn.
No DET Experience Needed
We provide training materials to get you up to speed on the Duolingo English Test — no prior DET knowledge required.
Ready-Made Lesson Plans
Arno provides structured lesson plans and speaking session materials so you can walk into every session prepared — no lesson prep needed.
Dedicated Support
Our team is here to help you succeed with onboarding, best practices, and ongoing assistance.
How It Works
Start teaching in four simple steps
Apply
Fill out our simple application with your qualifications and teaching experience.
Get Verified
Our team reviews your application and verifies your DET expertise.
Receive Your Materials
Get access to structured lesson plans, speaking session guides, and student-facing materials.
Start Teaching Sessions
Connect with students and deliver speaking sessions using Arno's lesson plans and materials.
Join a Thriving Community
Arno connects DET instructors with motivated students from around the world.
250,000+
Students
Students trust Arno to help them get ready for the DET
200+
Countries
Students from over 200 countries use Arno
24/7
Student Access
Students are learning and practicing around the clock
What We're Looking For
We welcome instructors who are passionate about helping students build speaking confidence for the DET.
Required
- Strong spoken English and conversation skills
- Comfortable leading speaking sessions over video
- Previous teaching or tutoring experience
- Reliable internet connection and video capability
Nice to Have
- Knowledge of the Duolingo English Test format and scoring
- Personal experience taking the DET
- TESOL, TEFL, CELTA, or similar certification
- Experience with conversation-based or speaking-focused teaching
Frequently Asked Questions
How much can I earn teaching on Arno?
+Is there a fee to join?
+How do I get students?
+What materials does Arno provide?
+How long does the application process take?
+Can I teach part-time?
+Ready to Start Teaching?
Join our teaching network and lead speaking sessions with students who need your help to succeed on the DET.
Apply NowFree to join • No commitments • Start in days