About William Rosser

Built on the school floor.
Refined in the principal's office.

Eleven years of teaching, leading, and architecting schools across four continents — and a consulting practice tested against every one of those chapters.

The Long Way Here

William Rosser

Bunkyo-ku, Tokyo, Japan · 2024

I didn't take the straight road into school leadership — and I'm grateful I didn't.

My career started in Tokyo, teaching English at Kids Duo International while finishing a Japanese degree at Toyo University. I learned the discipline of teaching in a language not my own, in a culture that doesn't tolerate sloppiness. Those years still shape how I run a classroom and how I think about cross-cultural leadership.

From there, the road bent west: high school English and history in a Title I district in Illinois, then an acting principalship at Hoopeston Area High School where I led a North Central Association accreditation, managed a $6M budget, and learned what it actually costs to keep a 330-student school running well. Around the same time, I started taking on remote curriculum projects — what would become Rosser Education Solutions — for schools I'd never set foot in, in places I'd never been.

Then came the Caribbean Online Academy: directing instructional strategy for a fully online 6–12 school serving 200+ students across multiple time zones. After that, Saipan — first as Deputy Headmaster at Saipan International School, contributing to back-to-back AP College Board Platinum Awards. And now, architecting a founding high school programme from a blank page.

What unites those chapters isn't a list of titles. It's a single question I've asked at every stop: what does this school actually need — not what does it want to buy?

That question has produced a Ministry of Education-endorsed entrepreneurship curriculum in Liberia. Two consecutive AP Platinum Awards. A successful NCA accreditation in rural Illinois. A full curriculum transition for a Caribbean online school. And a founding high school programme launching September 2026.

I run my consulting practice the same way: with the discipline of someone who has actually sat in the principal's chair when the board wants answers, the WASC team is at the door, and the founding parents are asking what's next.

Career Journey

From a Tokyo classroom to a Pacific founding programme.

A decade-plus of teaching, principalship, online leadership, and programme architecture — laid out chronologically.

2025 — Present · Saipan, CNMI · U.S. Territory Current

Secondary Curriculum Coordinator & Founding Programme Architect

Saipan Community School

Architecting the board-approved founding high school programme for a WASC-accredited K–8 institution. Authored complete Course Catalogue aligned to CNMI Board of Education graduation requirements with dual College Prep and Career & Life Skills pathways.

  • ·Designed phased K–12 expansion proposal with financial modelling and multi-year staffing projections
  • ·Developed and piloted gamified writing curriculum with 95% completion and 87% measurable skill improvement
  • ·Built strategic partnerships with government agencies, Northern Marianas College, and community organizations
  • ·Led multi-channel enrollment campaign including Korean/Japanese bilingual outreach for founding 9th grade cohort
2024 — 2025 · Saipan, CNMI · U.S. Territory

Deputy Headmaster & Secondary Division Leader

Saipan International School · 350 students · $4M budget

Directed K–12 operations for a multicultural institution serving the Asia-Pacific community. Oversaw 16 staff, college counseling, and faculty evaluation across a fully internationalized programme.

  • ·Contributed to consecutive AP College Board Platinum Awards (2024, 2025) — national recognition among top-performing AP schools in the United States
  • ·Managed comprehensive college counseling program supporting student admissions to U.S., U.K., and Asian universities
  • ·Developed indigenous Chamorro/Carolinian Cultural Programme focused on preserving cultural dance, language, and music
  • ·Enforced ITFCP child safeguarding protocols; conducted sensitive investigations maintaining ethical integrity
2023 — 2025 · Jamaica · Caribbean (Remote)

Chief Learning Officer · Secondary Division

Caribbean Online Academy · 200+ students · 6–12 fully online

Directed instructional strategy for a fully online secondary school serving students across Caribbean nations and coastal U.S. states. Led geographically distributed teaching teams across multiple time zones.

  • ·Integrated rigorous academic standards with flexible online delivery models
  • ·Developed virtual learning ecosystem balancing synchronous instruction with asynchronous engagement
  • ·Established assessment and reporting frameworks for remote learners
2021 — 2024 · Hoopeston, Illinois · USA

Acting High School Principal

Hoopeston Area High School · 330 students · ~$6M annual budget

Directed comprehensive operations with full P&L responsibility; achieved 95% graduation rate. Supervised 28 teaching and support staff across all departments.

  • ·Led North Central Association (NCA) accreditation: comprehensive self-study, strategic improvement planning, and successful external review
  • ·Implemented data-driven instructional improvement initiatives; established RTI/MTSS frameworks
  • ·Managed crisis situations, emergency response, and law enforcement coordination
2017 — 2019 · Danville, Illinois · USA

High School English & History Teacher

Danville High School · Title I urban district

Taught AP English Literature, U.S. History, and World History to diverse student populations in a Title I urban environment. Developed interdisciplinary curriculum integrating literacy skills across content areas; mentored student teachers.

2014 — 2015 · Tokyo, Japan

English Language Teacher

Kids Duo International · Pre-K through Grade 4

Delivered English language instruction using business-level Japanese; navigated Japanese educational systems and cultural expectations. Built strong relationships with Japanese families and colleagues; contributed to school community events and parent engagement initiatives.

Running Parallel · 2019 — Present

Rosser Education Solutions — the consulting throughline.

Since 2019, alongside every school role, I've run a consulting practice serving schools across four continents. The school roles inform the consulting; the consulting tests the school principles. Fifty-plus completed projects, perfect 5.0 / 5.0 client satisfaction.

50+

Projects

5.0

Rating

4

Continents

Where I've Worked

Five regions. One discipline.

Each region has shaped how I think about leadership, curriculum, and what it actually takes to deliver in context.

01

Pacific

Saipan, CNMI

Founding programmes, Deputy Headmastership, AP Platinum contributions.

02

Asia

Tokyo, Japan

Early-career teaching, business-level Japanese fluency, cross-cultural foundation.

03

Africa

Liberia (Remote)

TRIBE entrepreneurship curriculum, Ministry-endorsed, multi-school rollout.

04

Caribbean

Jamaica (Remote)

Fully-online secondary leadership, distributed teaching teams, virtual ecosystems.

05

North America

Illinois, USA

Principalship, NCA accreditation, $6M P&L, Title I teaching grounding.

Credentials & Recognition

The receipts, in detail.

Higher Education

  • M.S.Ed. Educational Leadership

    Eastern Illinois University · 2018–2022

  • M.Ed. Secondary Education

    University of Illinois at Urbana-Champaign · 2015–2017

  • B.A. Japanese Language

    Indiana State University · 2012–2015

  • B.A. History

    Indiana State University · 2012–2015

Administrative Licensure

  • Illinois Type 75 Principal Licensure

    State of Illinois · Active

  • Mississippi Principal Licensure

    State of Mississippi · Active

  • Alabama Principal Licensure

    State of Alabama · Active

  • UK Qualified Teacher Status (QTS)

    Department for Education, England

Specialist Training

  • Cambridge International Education

    A-Level & IGCSE curriculum familiarity

  • Advanced Placement (AP)

    Curriculum delivery & programme development

  • ITFCP Child Safeguarding

    International Task Force on Child Protection

  • JALT Member

    Japanese Association for Language Teaching · Since 2015

Awards & Recognition

  • AP College Board Platinum Awards

    2024 & 2025 · Saipan International School (contribution)

  • Empowering Education Grant

    Meemic Foundation · 2022

  • Perfect 5.0 / 5.0 Client Satisfaction

    Rosser Education Solutions · 50+ projects since 2019

Languages

Two languages. Two ways of thinking about education.

EN Native

English

Native fluency across academic, professional, and instructional contexts. U.S. citizen.

日本語 Business Fluent

Japanese

B.A. in Japanese Language; lived and worked in Tokyo. Intermediate speaking; business-fluent reading and writing. Active JALT member since 2015.

Philosophy

"I prevent expensive failures when international schools expand, change curriculum systems, or pursue accreditation."

— Working principle since 2019

Ready to discuss your school's next chapter?

Whether you're founding a new programme, preparing for accreditation, or rethinking curriculum — let's talk.