As education companies expand globally, the challenge is no longer simply finding more teachers — it’s building the systems that enable quality learning at scale.
Few leaders understand that challenge better than Cecilia Calvo-Lewis. Before co-founding EDGE Tutor, she led teacher development, classroom quality, and large-scale education operations at Education First, 51Talk, and VIPKid. Today, as Co-Founder and COO of EDGE Tutor, she oversees the operational backbone behind a global tutor delivery model that connects education companies with trained, performance-managed Filipino tutors.
Under her leadership, EDGE Tutor has grown into a global operation supporting partners across more than 35 countries, helping education providers expand access to online learning while maintaining high standards in teacher training, instructional quality, learner support, and operational reliability.
In this interview, Cecilia shares the operational lessons behind scaling quality education, her vision for the growing role of Filipino educators, and why she believes AI should strengthen — not replace — human teachers.
Highlights
Scaling Quality, Not Just Headcount
Q: EDGE Tutor has grown from a small group of educators into a global operation supporting partners across more than 35 countries. What operational decisions were most critical in helping the company scale while maintaining quality and reliability?
A: I’ve spent my career in education from almost every angle — teaching students, developing teachers, observing classrooms, building teacher development programs, and managing large-scale tutor operations. Those experiences taught me an important lesson: having 30,000 teachers on a platform proves you can scale supply. It doesn’t necessarily mean you can deliver great learning.
At EDGE Tutor, we made a conscious decision not to treat growth as a numbers game. Instead of asking, “How many teachers can we recruit?” we asked, “How do we build a system that consistently helps teachers deliver the learner outcomes our partners care about?”
Quality is tangible. A teacher either shows up or they don’t. A learner either feels safe, engaged, and supported — or they don’t. Learning outcomes either improve — or they don’t.
That’s why we invested heavily in teacher readiness, operational reliability, and continuous coaching close to the work. We weren’t simply building a larger workforce. We were building a stronger system around our teachers so they could consistently succeed.
Protecting the Learner Experience at Scale
Q: Many education companies struggle to balance rapid growth with consistent learner outcomes. How do you build systems, training, and performance frameworks that deliver a dependable experience across different countries and markets?
A: I never start with the system — I start with the learner experience we’re trying to protect.
What should every learner feel at the end of a class? They should feel safe, seen, engaged, clear about what they’ve learned, and more confident than when they started.
From there, we work backwards. What knowledge does the teacher need? Additionally, which specific skills should they practice? Finally, exactly what should managers be observing? And how quickly can feedback be delivered so it actually changes behavior?
That’s how I think about training and performance. It’s not a one-time onboarding exercise or a compliance checklist. It’s a continuous improvement loop: define the standard, train toward it, observe real classroom practice, coach what’s actually happening, reward behaviors that strengthen the learner experience, and address issues before they erode trust.
Consistency at scale doesn’t mean every teacher teaches the same way. It means every learner receives a thoughtful, dependable, and well-supported learning experience.
Lessons from Building Large-Scale Education Operations
Q: You’ve led large-scale operations at 51Talk, VIPKid, Education First, and now as Co-Founder and COO of EDGE Tutor. Which lessons from those experiences have had the greatest impact on how you’ve built the company?
A: Working across different education companies gave me a front-row seat to what happens as organizations scale. One lesson has stayed with me throughout my career: teachers shouldn’t have to carry the entire responsibility for learner success on their own.
The strongest learning systems connect four things seamlessly — the learner, the teacher, the product, and the data.
The product establishes clear instructional standards. Lesson design creates consistency. Teacher guides and resources help educators deliver confidently. Learner data provides visibility into progress, challenges, and confidence levels, allowing support to happen when it matters most.
When those pieces work together, teachers are set up to succeed — and that’s what makes scale sustainable. Growth doesn’t come from simply adding more teachers. It comes from building better systems that enable teachers to do their best work.
Elevating Filipino Educators on the Global Stage
Q: The global demand for flexible learning continues to grow. How do you see the role of Filipino educators evolving within the international education ecosystem over the next few years?
A: I believe Filipino educators are moving beyond being viewed simply as a source of teaching capacity. They’re increasingly being recognized as highly capable global learning professionals, and that’s an important shift.
For many years, the Philippines was valued primarily because we had English-speaking teachers who could serve international learners at scale. That remains an advantage, but the next stage of growth goes far beyond language proficiency.
Filipino educators bring qualities that are increasingly valuable in online learning: warmth, adaptability, relationship-building, and the ability to encourage learners with empathy and consistency. These aren’t just nice-to-have traits — they’re central to learner engagement and long-term success.
The opportunity now is to move further up the value chain. Filipino educators won’t simply deliver lessons. They’ll play a larger role in supporting learner growth, providing meaningful feedback, adapting to different educational systems, and becoming trusted partners in improving learning outcomes.
That’s the future I hope EDGE Tutor continues to help build.
AI for Efficiency. Humans for Growth.
Q: As AI becomes more integrated into education, where do you believe human tutors will continue to create the greatest value?
A: The industry is beginning to agree on something important: AI is excellent at improving efficiency, but humans remain essential for growth.
AI is becoming an increasingly valuable part of the system around the teacher. It can help with lesson preparation, question generation, feedback, quality assurance, learner insights, and identifying where students may be struggling. Those capabilities make learning operations faster, smarter, and more consistent.
But we’re very clear about one thing: AI is not the educator.
Real learning happens through human connection. Learners don’t just need the right answer. They need someone who notices hesitation, responds to frustration, builds confidence, asks thoughtful questions, and knows when to challenge them or slow down. That’s especially true for young learners.
At EDGE Tutor, we’re not using AI to replace teachers. We’re using AI to strengthen the systems around teachers so they can spend more of their energy doing the work only humans can do: motivating learners, building confidence, developing critical thinking, creating emotional safety, and helping learners develop a genuine love of learning.
Our philosophy is simple:
AI for efficiency. Humans for growth.
Final Thoughts: Building Better Learning Systems for a Global Classroom
Scaling education isn’t simply about expanding the number of teachers available to learners around the world. As Cecilia Calvo-Lewis sees it, sustainable growth comes from building the systems that empower teachers to succeed — systems grounded in operational excellence, continuous coaching, and an unwavering focus on the learner experience.
That philosophy has helped EDGE Tutor grow into a trusted partner for education companies across more than 35 countries while championing the growing role of Filipino educators in the global education ecosystem. As AI reshapes the future of learning, Cecilia believes technology should enhance what great teachers already do best: inspire confidence, build meaningful relationships, and help learners reach their full potential.
For EDGE Tutor, the future of education isn’t about choosing between technology and people. It’s about creating stronger systems where both work together to deliver better learning outcomes at scale.
Highlights
Read the Chinese article here.
