Education Model | The Science & Practice Behind NGA | NGA


EDUCATION MODEL

Loving yourself and
the world isn’t luck.
It’s by design.

An NGA education is no happy accident. On this page we show you the whole model — designed backward from a single question, “why do children grow?” — built on developmental science, thinking frameworks, and the hard-won practice of 1,000+ children at NIJIN Academy.

IN ONE LINE

A school built not on instinct,
but on science and practice.

Developmental science — Vygotsky’s Zone of Proximal Development and Deci & Ryan’s Self-Determination Theory. A thinking framework — Isao Hosoya’s “concrete and abstract.” And layered on top, the multi-layered psychological safety and social co-creation that Tatsuro Hoshino built from the practice of 1,000+ children at NIJIN Academy. Together, they form NGA’s own education model.

ScienceZone of Proximal Development (ZPD)Lev Vygotsky. Learning is maximized in the zone you can reach “with support.”
ScienceSelf-Determination Theory (SDT)E. Deci & R. Ryan. Autonomy, competence, and relatedness ignite the desire to learn.
ThinkingMoving between concrete & abstractIsao Hosoya. The more you travel between experience and concept, the more knowledge becomes a living skill.
PracticeMulti-layered safety & social co-creationTatsuro Hoshino. Systematized from the practice of 1,000+ children at NIJIN Academy.
THE MODEL

The NGA education model at a glance

On a foundation of safety, the engines of growth turn, and learning travels back and forth.
All of it in service of “be yourself, make someone happy.”

GOAL — Be Happy. Do Happy.Be yourself, make someone happy
The engine of learning|Hosoya × Hoshino (practice)Concrete–abstract movement × social co-creation

Experience it (projects, international exchange) ⇄ reflect through dialogue ⇄ turn it into concept (classes) ⇄ use it in the world once more

ScienceZone of Proximal Development (ZPD)Lev Vygotsky

You can’t reach it alone. But with the “scaffolding” of friends and teachers, you can — and in that zone, learning is maximized.

ScienceSelf-Determination Theory (SDT)Edward Deci & Richard Ryan

Autonomy, competence, relatedness. When all three are met, “made to” turns into “want to.”

The foundation|Tatsuro Hoshino (NIJIN’s practice)Multi-layered psychological safety

One-on-one, eight, about a hundred, the whole school, society — each child chooses the “group size” and “way of relating” that feels safe.

FOUNDATION

① The child chooses
the group size and the way of relating.

“When it feels safe, you find yourself just doing it.” Challenge can only grow from a secure base. So NGA doesn’t entrust safety to a single classroom. We build five layers of different character, so each child can choose the group size and the way of relating that fits them that day. Stumble in one place, and another layer is always there to catch you.

Today’s sense of safety is the child’s to choose.
Group size The setting Ways to take part (examples)
One-on-one Bilingual mentor / dedicated support
A secure base where feelings that resist words can be heard in your mother tongue.
Speak in your first language. On days when words won’t come, chat alone is fine.
Eight Mixed-age class / class meeting
A daily home where every voice reaches.
Speak, listen, or share your view by chat — you choose how you join.
~100 Campus homeroom
Designed to Dunbar’s number — the limit at which faces and names connect.
Some days you help plan; some days just watching is enough.
Whole school All-school homeroom
A stage where challenges are shared and recognized.
Tell it aloud, show it through your work, or present with slides — you choose how.
Society & world Co-creation partners / international exchange
The exit where learning connects to someone’s happiness.
Coding, design, art — connect to the world through what you’ve made.
Speaking isn’t the only way to take part.
📷 Camera and mic are your call

Camera off, muted — taking part is still taking part. Start from whatever feels safe, and grow from there.

🎨 Many ways to express yourself

Chat, coding, design, art. Expression beyond words is proud “communication” too.

🌱 It’s okay if speaking is hard

Children with selective mutism or tics aren’t left behind. Together, we find and pursue the way of communicating that’s truly yours.

Why “about 100”?

Dunbar’s number — the upper limit of stable relationships a person can hold. NGA’s campus (an online school community) is designed around this size.

Why “multi-layered”?

On days a class doesn’t fit, the one-on-one, the campus, and the whole school catch you. With several secure bases, you can take on challenges with confidence.

Companions who run through it all

Bilingual mentor (for everyone) / dedicated 1-on-1 support (paid option, weekly) / homeroom teacher — the partner in each child’s “promise to be the agent of their own learning.”

ENGINE 1 / Zone of Proximal Development

② Keep the child standing
where “with support, I can.”

Vygotsky showed that learning is maximized in the zone between “what you can do alone” and “what you can’t do yet” — the zone you can reach with support (the ZPD). Every part of NGA’s design exists to keep children standing in that zone.

Can do
alone

Can’t do yetCan do with support (ZPD)← where learning happens most →

CEFR levels × elective classes

Choose a “just-right challenge” together with your homeroom teacher.

Small groups of 8 × dialogue

Every voice reaches. A friend’s question becomes your scaffold.

A mixed-age, multinational community

A friend a few steps ahead becomes the picture of “the next me.”

Scaffolding by mentors and teachers

As you grow able, the scaffolding is removed, little by little.

ENGINE 2 / Self-Determination Theory

③ Self-Determination Theory (SDT)
lights the fire of “I want to.”

According to Deci & Ryan’s Self-Determination Theory, people move — not from rewards or punishments, but from an inner “I want to!” (intrinsic motivation) — when three needs are met: autonomy, competence, and relatedness. NGA’s daily life is designed to meet all three, every day.

AutonomyI decide
CompetenceI’m becoming able
RelatednessI’m connected
Intrinsic motivationI want to!
AUTONOMYAutonomy — I decide

A timetable isn’t handed down; you design it yourself, in conversation with your homeroom teacher. Class matters are decided in class meetings. A pile of “choosing” experiences becomes the power to choose your own life.

COMPETENCECompetence — becoming able

Growth is visible through CEFR. Challenges are recognized in all-school homeroom presentations. Instead of ranking against others, you compare with yesterday’s self. “I did it!” becomes fuel for the next challenge.

RELATEDNESSRelatedness — connected with friends

Classes of 8, home PE three times a week, after-school clubs, international exchange. “Who you’re with matters more than what you do.” Knowing you have friends around the world gives both safety and aspiration.

Cheer each other on rather than compete.
In a psychologically safe, warm place, “made to” becomes “want to.”
We don’t dismiss “memorization” either.

Take a child who loves trains, or one who loves living things. How they memorize what they love, how they organize it, how they make it recallable, how they use it in daily life and work, and how they share it with friends — that “craft” is a transferable competency for life. Because it’s built from an inner “I want to!”, it doesn’t vanish when the test ends. Memorization, too, is one skill — acquired in a form that lives in the real world.

LEARNING CYCLE

④ Travel between experience and concept,
and turn knowledge into a living skill.

Rather than soaking up knowledge and then using it, you turn it into concept as you use it. When highly abstract academic learning (classes) and highly concrete challenges in society (projects) complement each other, learning grows deeper, more transferable, and becomes a “power to live” that holds up in any era (Isao Hosoya, “concrete and abstract”).

1Concrete|Try it

Social co-creation projects (real challenges with companies and governments), international exchange, fieldwork.

2Dialogue|Reflect

Reflection journals, class meetings, 1-on-1s with a mentor — put the experience into words.

3Abstract|Make it concept

Elective classes, CEFR, and IGCSE learning crystallize experience into usable knowledge.

4Try again|Use it in the world

Presentations, all-school homeroom, and the next project take it back out into the world.

↻ The more you travel back and forth, the deeper the learning — and the more it becomes your own.
📜 Take history

Memorize dates alone, and it’s “knowledge for the test.” But take on local and global challenges in a co-creation project, and you realize “history is a tool for reading the present.” Once you see its value, you want to learn more deeply.

🔢 Take math

Multiplication or factoring can feel like “what’s the point?” inside a classroom. The moment you handle sales or data in a project, it becomes “a language for explaining the world.” Learning turns into a usable skill.

Highly abstract academic learning × highly concrete challenges in society.
This back-and-forth grows a transferable “power to live” that serves in any era.

ENGINE 3 / Social co-creation

⑤ Change the “soil,”
and the child becomes a hero.

Social co-creation isn’t education that changes the child. It’s education that changes the “soil and structure” in which the child is recognized (Tatsuro Hoshino, from NIJIN’s practice).

True story|NIJIN Academy in practice

At NIJIN Academy, we’ve run entrepreneurship education co-created with companies like Panasonic and SoftBank. Children who at their old schools were told they belonged in “special-needs classes” drew on their coding skills and the rich imagination that comes with ASD to pitch new businesses in front of employees and build real apps with engineers.

Co-create with the real world

Real challenges with companies and governments. A child’s strength becomes real value.

Recognized by society

That child becomes the class superhero. The measuring stick changes.

Self-efficacy rises

“I can do it.” The felt sense of being recognized becomes the base for the next challenge.

Kinder to friends

A child who feels fulfilled can recognize others. Problem behavior naturally fades away.

Change the soil and the structure, and any child can “be themselves and make someone happy.”
That is social co-creation.

FROM MODEL TO PRACTICE

On top of the model stands the curriculum.

The education model is the “why.” The curriculum is the “what.” The timetable is the “when.” Every week at NGA is designed backward from this model.

WHYEducation modelThe science & practice of growth
WHATCurriculumFour layers of learning
WHENWeekly timetableA daily rhythm
Theory In practice at NGA
Multi-layered psychological safety
Tatsuro Hoshino (practice)
Class meetings / campus homeroom / all-school homeroom / bilingual mentors / dedicated 1-on-1 support (paid option)
ZPD (Zone of Proximal Development)
Vygotsky
Classes of 8 / elective classes by CEFR level × content / a timetable decided with your homeroom teacher / mixed-age, multinational peers
SDT (Self-Determination Theory)
Deci & Ryan
Autonomy = elective classes & class meetings / competence = CEFR measurement & all-school presentations / relatedness = home PE (3×/week), international exchange, lunch cooking
Concrete–abstract movement
Isao Hosoya
Social co-creation projects (2×/week) ⇄ elective classes & reflection journals ⇄ presentations & all-school homeroom ⇄ school trips & fieldwork
Social co-creation
Tatsuro Hoshino (practice)
Real challenges “created together” with companies, governments, and NPOs (PBL 2×/week) / international exchange (monthly) / culture & sports festivals (in-person × metaverse)

References: Vygotsky, L. S., “Zone of Proximal Development (ZPD)” / Deci, E. L. & Ryan, R. M., “Self-Determination Theory (SDT)” / Isao Hosoya, Concrete and Abstract / “multi-layered psychological safety” and “social co-creation” = Tatsuro Hoshino (practice with 1,000+ children at NIJIN Academy). This page presents the thinking behind NGA’s educational design.

This model, put into practice,
is the “curriculum.”

Four layers of learning, and a timetable you design yourself. See how the model becomes everyday life.

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