The whole arc.

Where it starts. Sharpen up, build a mallet and a sawbench by hand, stand up the maths lab, and survey the home site.

Mathematics

Arithmetic → pre-algebra

Signature build

Mallet, sawbench, baseline survey, pot garden

Research

A baseline survey of the Voi site, and the research log set up.

Philosophy

What philosophy is; the anatomy of arguments

First aid

DRABC and adult CPR, from memory.

Track insert

Metalwork L1 (bench metalwork) and safe-razor shaving.

Site

Voi

The first real experiment: hot vs cold compost, logged daily and analysed in Python.

Mathematics

Algebra I

Signature build

Workbench, compost bays, raised beds, stool

Research

The first controlled experiment: hot vs cold compost, logged daily.

Philosophy

Truth, validity and the fallacies

First aid

The secondary survey and first-aid scenarios.

Civics

The Constitution of Kenya and the Bill of Rights.

Track insert

Metalwork L1 (tapping and threading); oral hygiene.

Computational

Compost data analysis

Site

Voi

Harvest the rain and model it: a real system plus a Python simulator validated against a live gauge.

Mathematics

Algebra II & sequences

Signature build

Rainwater → tank → drip, wicking bed, greywater

Research

Calibrate and validate the rainfall model against a real gauge and tank.

Philosophy

Propositional logic

First aid

Fractures, sprains and splinting.

Civics

The three arms of government and devolution.

Track insert

Sheet-metal fittings for the water system.

Computational

The Water Computer

Site

Voi

Design the garden with geometry and a layout program; a longitudinal soil study begins.

Mathematics

Geometry & measure

Signature build

Keyhole & mandala beds, a planted guild

Research

A longitudinal soil-regeneration study and an iNaturalist biodiversity baseline.

Philosophy

Ethics I: how should we live?

First aid

Bites, stings, snakebite and heat illness.

Civics

Elections, the electoral system and public finance.

Track insert

Basic clipper work and hair care.

Computational

Garden-layout program

Site

Voi and Oyugis

Size and build a DC solar system, with a Python sizing engine and a Monte-Carlo simulator. Year 1 closes at IGCSE.

Mathematics

Quadratics, trigonometry, probability

Signature build

DC solar + pump, solar dryer

Research

An energy study: predicted output against measured.

Philosophy

Predicate logic

First aid

Electrical injuries, plus first-aid certification.

Civics

Enforcing rights, the Judiciary and Chapter Six on integrity.

Track insert

A sheet-metal tray; skin and sun protection.

Computational

The Solar Sizing Engine

Benchmark

IGCSE

Site

Voi

Cut dovetails and build furniture; bridge the maths into AS-level with an interactive grapher.

Mathematics

Trigonometry, functions → AS

Signature build

A furniture piece, a framed structure base

Research

A materials and joint-strength experiment, handled with uncertainty.

Philosophy

Epistemology: what can we know?

First aid

Cuts, wounds and eye injuries.

Civics

Access to information and public participation.

Track insert

Sheet metal L2; hand, nail and foot care.

Site

Voi

Build in earth and run a compressive-strength experiment, using differentiation to find the optimum mix.

Mathematics

AS Pure 1 + differentiation

Signature build

A small earth structure (adobe / cob / rammed)

Research

A compressive-strength experiment, finding the optimum stabiliser mix by differentiation.

Philosophy

Philosophy of science

First aid

Heat illness and safe manual handling.

Civics

Land law, property registration and building approvals.

Track insert

Roofing systems; window and door hardware.

Site

Voi

Service and diagnose the car, repair a small engine, and learn to weld, logging OBD data where cool-down is exponential decay.

Mathematics

AS Pure 2

Signature build

Car service & diagnostics, welding, coop/kennel

Research

A vehicle-data study: fuel economy or engine cool-down.

Philosophy

Free will & philosophy of mind

First aid

Managing a road accident; burns and eye injuries.

Civics

Consumer rights and road / traffic law.

Track insert

Vehicles L1 (the manual car) and Metalwork L3 (stick welding).

Computational

Engine data-logger

Site

Voi

An integrated whole-homestead water system and a systems-dynamics model of it. Year 2 closes at AS-level.

Mathematics

AS Mechanics + Statistics

Signature build

Integrated water system, biosand filter, tank stand

Research

A systems analysis with multi-variable monitoring in R.

Philosophy

Political philosophy I: the social contract

First aid

A full recap and recertification.

Civics

Devolved services and social accountability.

Track insert

A welded steel tank stand.

Computational

Systems model (R)

Benchmark

AS-level

Site

Voi

Turn growing into a market garden with an R analytics pipeline and a costed business plan.

Mathematics

First-year A-level

Signature build

Market garden, nursery, beehives, MIG welding

Research

Yield trials and an enterprise (economic) analysis.

Philosophy

Political philosophy II: justice

First aid

Agricultural and tool hazards; pesticide safety.

Civics

Agriculture, cooperatives and markets.

Track insert

Metalwork L4 (MIG welding).

Site

Voi and Oyugis

Design and optimise a complete off-grid energy system. A-level mathematics completes.

Mathematics

A-level complete

Signature build

Full off-grid PV, rocket stove, solar water heater

Research

An energy-optimisation study with a sensitivity analysis.

Philosophy

Philosophy of mathematics I

First aid

Remote-setting emergencies and fire.

Civics

Environmental rights and energy policy.

Track insert

Metalwork L5 (gas welding, brazing) and Vehicles L2 (the automatic).

Computational

The Off-Grid Optimizer

Benchmark

A-level

Site

Voi

Build in rammed earth, forge your own tools, and enter Further Maths with complex numbers and matrices.

Mathematics

Further Maths: Core Pure 1

Signature build

Rammed-earth / CSEB building, a forge & tools

Research

A materials or heat-treatment experiment.

Philosophy

Proof, truth & Gödel

First aid

Crush and heavy-material injuries.

Civics

The courts, dispute resolution and land justice.

Track insert

Metalwork L6 (the forge and tool-making).

Site

Voi and Oyugis

Build with bamboo and set up a durability trial; de Moivre, hyperbolics and polar coordinates.

Mathematics

Further Maths: Core Pure 2

Signature build

A bamboo structure at the coast (Kilifi)

Research

A long-run bamboo-durability trial, treated against untreated.

Philosophy

Metaphysics: what is there?

First aid

Coastal and water emergencies.

Civics

Environment and natural-resource governance.

Track insert

Metal connectors and a greenhouse hoop frame.

Site

Kilifi

The big multi-material building and a digital twin: a model validated against the real thing. Further Maths completes.

Mathematics

Further Maths: options

Signature build

The composite building + a digital twin

Research

Digital-twin validation: predicted against measured building performance.

Philosophy

Environmental ethics

First aid

Construction-site major trauma.

Civics

The built environment and being an employer.

Track insert

Metalwork L7 (structural steel and roof trusses).

Computational

The digital twin

Benchmark

Further Maths

Site

Oyugis

Cross into rigorous proof; a civic/philosophy capstone and the "State of the Three Sites" synthesis.

Mathematics

Proof & abstraction

Signature build

A dry-stone / gabion wall; the research synthesis

Research

The "State of the Three Sites" synthesis across three years of data.

Philosophy

Philosophy of language + the capstone essay

First aid

Teach and refresh a first-aid session.

Civics

Active citizenship and the common good.

Track insert

Dry-stone and gabion work; tool care.

Site

Oyugis and Voi

Problem-solving depth, an original investigation, and skills that start to earn.

Mathematics

STEP / TMUA depth

Signature build

A fabricated trailer; vehicle-repair mastery

Research

A genuinely original investigation, done end to end.

Philosophy

Reasoning & deciding under uncertainty

First aid

Teach a short first-aid course.

Civics

Enterprise, tax and being a service provider.

Track insert

Metalwork L7 capstone (the trailer) and Vehicles L3 (mastery).

Benchmark

TMUA

Site

Voi

Cross into undergraduate mathematics, read a primary text in full, and assemble the readiness portfolio.

Mathematics

Analysis, linear algebra, group theory

Signature build

Complete the catalogue; workshop mastery

Research

The research portfolio and one publishable output.

Philosophy

Read a substantial primary text closely

First aid

First-aid mastery.

Civics

The application-readiness portfolio.

Track insert

Complete the build catalogue; full workshop mastery.

Site

All three sites