Human Intelligence LLC
Policy Paper  ·  Jamaica  ·  July 2026

The Leaving Curve

Modelling the economics of teacher migration — and finding the retention spend that actually beats the pull
Thomas Green Israel
Founder, Human Intelligence LLC
Graduate, Titchfield High School, Portland, Jamaica
A.Sc. Mathematics & Physics, C.A.S.E.  ·  B.Sc. Physics, Fisk University
ISGAP Fellow, University of Oxford  ·  Yale University School of Divinity (Admitted; Declined)
A.I. Engineer, Deloitte  ·  Contractor, U.S. Department of the Interior
International Student (sabbatical), CWRU Weatherhead School of Management & School of Law
Executive Summary

Jamaica trains teachers and then loses them — to the United States, the United Kingdom, and the Gulf, where salaries for the same qualification are several times higher. The public conversation treats this as a crisis to be lamented and, occasionally, as a betrayal to be resented. It is neither. It is a price signal, and it can be modelled.

A teacher's decision to migrate is a comparison between the total value of staying and the total value of leaving. Jamaica cannot win that comparison on salary alone — the overseas differential is too large to close. But salary is only one term in the comparison. Migration also carries costs the teacher bears: relocation, family separation, licensure barriers, loss of seniority, and the friction of starting over. Retention policy works by raising the value of staying and the cost of leaving at the margin — not by matching an unmatchable wage.

This paper models teacher migration as a stay-versus-leave decision, identifies the levers Jamaica actually controls, and offers four recommendations to the Ministry of Education for a retention strategy priced against the real decision, not against the salary gap alone.

Multiple
Times the salary abroad for the same qualification
Sunk
Jamaica's training cost, lost with each departure
Margin
Where retention policy actually operates
Shared
Same structure as nurse migration — model once
The Decision

Migration Is a Comparison, Not an Event

A teacher does not "leave Jamaica." A teacher weighs two futures and chooses the one that is worth more, all things considered, and then acts. The mistake in most retention debate is to treat the salary gap as the whole of that comparison. It is the largest single term, but it is not the only one, and it is the one Jamaica can least affect.

The full comparison includes, on the leaving side: higher salary, but also relocation cost, the pain of family separation, the barrier of overseas licensure and credential recognition, the loss of accumulated seniority and pension, professional isolation, and the risk of a worse posting than promised. On the staying side: lower salary, but proximity to family, an established professional standing, a known system, and whatever additional value the employer chooses to add. Retention is the deliberate management of the terms Jamaica controls.

The Gap

Jamaica's retention response is largely confined to the one term it cannot win — salary — and neglects the terms it can move. It rarely quantifies the sunk training cost lost per departure, rarely targets retention spend at the specific career stages where departure is most likely, and rarely raises the non-salary value of staying (career progression, professional development, housing) where a modest investment shifts the marginal decision. The result is a policy that competes where it must lose and stays silent where it could win.

The Economics

The Cost of a Departure Is Larger Than It Looks

When a trained teacher leaves, Jamaica loses more than a staff member. It loses the public money spent training that teacher, the years of experience embedded in them, the continuity of the students they taught, and the recruitment and training cost of the replacement — who will be less experienced for years. The true cost of a departure is the sum of these, and it is far larger than the salary line the teacher occupied.

This matters because it reframes the retention budget. A retention intervention does not have to be cheaper than the teacher's salary to be worthwhile; it has to be cheaper than the full cost of losing and replacing them. Measured against that larger number, retention spending that would look extravagant against salary alone is revealed as economical. The first task of a retention strategy is therefore to compute the real cost of a departure — because that number is the budget the strategy is allowed to spend.

The Principle

Retention is justified up to the full replacement cost of a departure — training loss, experience loss, continuity loss, and replacement cost combined — not up to the salary line alone. Any retention intervention cheaper than that total, and effective at the margin, pays for itself.

The Levers

Four Terms Jamaica Actually Controls

1
Bonded Training With Fair Terms

Where the state funds teacher training, a service commitment — reasonable in length and humane in its exit terms — raises the cost of an immediate departure without trapping anyone. Structured well, a bond recovers part of the training investment from those who leave early and rewards those who stay, converting a pure loss into a managed one.

2
Stage-Targeted Retention

Departures are not evenly spread across a career; they cluster at identifiable stages. Retention spend targeted at the highest-departure stages — often the early-career years and the point of full qualification — buys more retained teacher-years per dollar than spend spread evenly. The first analytic step is to find the departure peaks in the actual data.

3
Non-Salary Value of Staying

Career progression, meaningful professional development, leadership pathways, and support such as housing or study assistance raise the value of staying without competing dollar-for-dollar on salary. These are the terms where a modest Jamaican investment can outweigh a large foreign salary at the margin, because they attach to things the teacher would lose by leaving.

4
Managed Migration as a Return Pipeline

Some migration is inevitable and even beneficial. A managed framework — structured overseas placements with a defined return pathway, remittance and diaspora linkage, and re-entry incentives — converts permanent loss into circular migration, where the teacher returns with enhanced skills. Fighting all migration is futile; shaping it is not.

Policy Recommendations

Four Actions for the Ministry of Education

Recommendation 1 — Compute the Real Cost of a Departure

The Ministry should establish the full replacement cost of a teacher departure — training, experience, continuity, and replacement — as the anchor figure for retention budgeting. Every retention intervention should be evaluated against this number, not against salary.

Recommendation 2 — Map the Departure Curve and Target the Peaks

The Ministry should analyse teacher departures by career stage and subject to locate the peaks, and concentrate retention spending at those peaks. Untargeted retention spends where departure is unlikely; targeted retention spends where the marginal teacher is deciding.

Recommendation 3 — Invest in the Non-Salary Terms

The Ministry should build career-progression pathways, professional development, and support programmes that raise the value of staying at the margin — the terms where a Jamaican dollar competes effectively against a foreign salary it could never match directly.

Recommendation 4 — Build a Managed-Migration Return Framework

The Ministry should establish a structured framework for overseas placement with defined return pathways and re-entry incentives, converting a portion of permanent departure into circular migration. Managed migration is a policy; unmanaged migration is only a loss.

Conclusion

Compete Where You Can Win

Jamaica will not out-pay the United States or the Gulf for its teachers, and a retention strategy built on trying to do so is a strategy built to fail. But salary is one term in a comparison of many, and most of the other terms — the cost of leaving, the value of staying, the timing of the decision, the possibility of return — are terms Jamaica can move. A retention policy that measures the real cost of a departure, finds where in a career the decision is made, and invests in the levers it controls can bend the leaving curve without winning a wage war it cannot win.

This same structure governs the migration of nurses and other trained professionals; the model built here is meant to be reused. Human Intelligence LLC is prepared to support the Ministry of Education in building the departure-cost analysis and the stage-targeted retention model this strategy requires.

About the Author

Thomas Green Israel is a Jamaican-born polymath, self-taught quantum field theorist, and the founder of Human Intelligence LLC — a proudly Jamaican think tank dedicated to engineering solutions to Jamaica's most complex structural challenges.

Born in Portland and a graduate of Titchfield High School, Thomas holds an Associate of Science in Mathematics and Physics from the College of Agriculture, Science and Education (C.A.S.E.) and a Bachelor of Science in Physics from Fisk University in Nashville, Tennessee. He was an ISGAP Fellow at the University of Oxford and was admitted to Yale University School of Divinity, which he declined in order to pursue independent research. He has served as an Artificial Intelligence Engineer at Deloitte and as a Contractor with the United States Department of the Interior. He is currently a double-admit international student at Case Western Reserve University, jointly enrolled at the Weatherhead School of Management and the School of Law, on academic sabbatical. He is the father of Gianna.

Thomas is answering the Prime Minister's call to come home. He intends to return to Jamaica — not as a visitor, but as a builder — and Human Intelligence LLC is the vehicle for that return. His ambition is to be present in and for this country, doing the work that needs to be done, from here. He welcomes the opportunity to present these findings to the Ministry of Education, Skills, Youth and Information.

thomasgreenisrael@gmail.com
This paper was prepared for public distribution. No proprietary methodology or intellectual property of Human Intelligence LLC is disclosed herein. The analysis is based on publicly available sources including reporting by the Jamaica Observer and the Gleaner on teacher migration and the education workforce, and published Ministry of Education workforce data.