“How to become an international school teacher.” If you searched that, there was probably as much uncertainty in you as excitement. You want to talk with children about the world in English, to deliver learning that a test score can’t measure, inside a mix of cultures. And yet, the more you look, the fuzzier the requirements get: Do I need a teaching license? How good does my English have to be? Can I really apply with no experience? If you reached this page late at night, still unsure what it actually takes, you are far from alone.
This article lays out the “how” honestly. First, we cover the usual routes in — a teaching license, international qualifications, and the English level schools tend to expect — with one important caveat: it varies a great deal from school to school. Then we look at what you can start preparing today, which moves your case forward no matter which route you take, and whether or not you ever apply to us. Finally, as a “third entry point” that welcomes people who can build from zero more than any credential, we introduce — without a hard sell — the option of joining the founding team of the online international school we open in September 2027.

How to become an international school teacher — the routes, honestly
The first thing worth saying is that there is no single “do this and you’re guaranteed in” answer. “International school” spans everything from large, traditional institutions to tiny programs, from onsite campuses to fully online schools — and what each one asks for differs a great deal. With that in mind, the common ways in sort into roughly three routes, shown below.

The first is the licensed-teacher route: you hold a teaching license from your home country and can teach in English, and you apply by leaning on your existing classroom experience — the closest thing to the classic path. The second is the international-qualification route: earning a credential such as a PGCE or IB-related training, then applying. The more traditional or larger the school, the more this tends to matter. The third is the expertise-and-practice route: some schools weigh the depth of your specialist field, your real-world experience, and your ability to help build the learning over any license — an entry point genuinely open to career changers with no license. Which route suits you depends on where you stand today.
What English level and qualifications do you need? “It depends” is the honest answer
The thing most people researching “how to become” want to know is the English level and the qualifications. Here we’ll stay honest and avoid absolutes. On English: if you’ll be teaching subjects in English, many schools look for roughly CEFR B2 or above as a guide. That does not mean “native-level or nothing” — it’s simply one marker of “able to teach using English, and to keep growing it.” On qualifications, some schools require a teaching license while others weigh expertise and character and don’t ask for one at all. The table below lays out what each type of school tends to expect.

What the table makes clear is that “no license means no chance” is simply not true. Traditional onsite schools tend to weight a license or international qualification heavily, while online international schools and pre-launch schools tend to look instead at your English, your expertise, and your appetite to build the school alongside them. In other words, the “how” is not one fixed path — you can choose the entry point that matches what you already carry. Which is exactly why the preparation in the next section pays off.
What you can prepare today — English, expertise, and practice
This is the heart of the article. Whichever route you take — and even if you never apply to us — here is a manageable, three-step way to move your case steadily forward.

First, grow your English. Aim not for exam English but for English you use to teach. A rough guide is CEFR B2+. Picturing real lessons, build day by day the ability to explain in your own words and hold a dialogue with children. Second, deepen your expertise. Your strongest subject, a theme you want to explore, your past work — grow one thing “only you can teach” and it becomes a solid strength beyond any license. Third, get real practice. Volunteering, online tutoring, a small local learning circle — build even a modest “record of actually teaching.” Concrete experience you can speak to at application time will describe you more eloquently than any qualifications box.
See NIJIN GLOBAL ACADEMY’s founding-member roles →
Builders over credentials — NGA as a third entry point
So far we’ve covered the “how” in general terms. To close, here is a slightly different angle. The founding-member roles that NIJIN GLOBAL ACADEMY (NGA) is recruiting for ahead of its September 2027 opening are an entry point that welcomes people who can build from zero more than any credential. You’ll use English, so we assume roughly CEFR B2+ as a guide — but we do not make a teaching license or a glossy résumé a hard requirement. What we look for is the appetite to build the learning together even without prior experience, and a genuine connection to learning beyond test scores, where children aren’t ranked by exam results. Our view of education is laid out in how we learn.
What makes this a reassuring “way in” is that the selection lets you try as you go, rather than leaping in blind. NGA’s process runs in four steps: (1) document screening → (2) a group interview → (3) an internship at NIJIN Academy → (4) a final presentation (applications are via a Google Form). Step three, the internship, is a stretch where you — the applicant — get to test whether this fits you, too. More than a certificate on paper, we look together at the aptitude that shows up when you’re actually with children. The work is fully remote, with several ways to contribute beyond teaching — marketing, web, partnerships, HR — and the salary table is public (specific terms and figures are discussed during selection). Rather than “joining a finished school,” you “move to the side that builds it” — which is, itself, a new way into teaching at an international school.

Frequently asked questions
Can I become an international school teacher without a teaching license?
It depends on the school. Some international schools do require a license, but others weight expertise, character, and English ability and don’t ask for one. Online international schools and pre-launch schools in particular tend to look at “can you build the learning with us?” more than the credential itself. NGA, too, does not make a license a hard requirement.
How good does my English need to be to apply?
If you’ll teach subjects in English, many schools look for roughly CEFR B2 or above as a guide. That does not mean native-level perfection. What matters is the willingness to use English to work with children and peers around the world, and to keep growing it. The surest way to confirm the exact level is within a given school’s selection process.
I have no experience — is it too late to start preparing now?
No. The three steps in this article — grow your English, deepen your expertise, get real practice — can all begin today, without waiting on a qualification. A small “record of actually teaching” in particular gives you something concrete to speak to when you apply. The more you prepare, the more steadily every route opens.
You open in September 2027. Is there any point applying now?
Yes. It’s precisely because it’s pre-launch that founding members help design the substance of the learning itself. NGA’s selection includes an internship at NIJIN Academy, so you build experience and test your fit before the real thing. If you’re drawn to “moving to the side that builds,” now is arguably the moment.
There’s no single right “how.” So there’s an entry point that fits you.
If you searched “how to become an international school teacher,” you almost certainly carry a wish: to reach diverse children in English, with learning a score can’t measure. There is more than one road to that wish. The route that leans on a license, the route through an international qualification, the route you carve with expertise and practice — and a third entry point that welcomes builders over credentials. If something is missing from your profile today, there’s no need to rush. Grow your English, deepen your expertise, practice in small ways. Each step widens the entry, on every route. Your “I want to become one” moves genuinely closer, starting with what you prepare today.
Start “I want to teach” from the side that builds it.


