Biblical Truth • Theological Depth • Ministry Formation

Study the Bible, theology and ministry skills from your phone

OBTS is an online school. Lessons come to you as PDF files on WhatsApp, each with clear objectives, a timed study plan, exercises and a task your tutor reviews.

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What you can study

General Bible Studies & Theology

Registration enquiries openFees and start date: to be announced20 modules

A broad, systematic study of Scripture and Christian doctrine: the Bible and its authority, God, creation, humanity, sin, Christ, salvation, the Holy Spirit, the Church, worship and Christian life.

66 Books of the Bible

Registration enquiries openFees and start date: to be announced12 modules

A guided reading of the whole Bible, book by book: the Law, the historical books, poetry and wisdom, the prophets, the Gospels, Acts, the letters and Revelation.

Pastoral English

Registration enquiries openFees and start date: to be announced12 modules

English for ministry: reading and explaining the Bible, prayer, preaching and teaching, worship services, pastoral conversations, evangelism and church administration.

English Speaking

Registration enquiries openFees and start date: to be announced12 modules

Everyday spoken English: grammar and tenses, vocabulary and conversation, pronunciation and listening, fluency, reading and practical writing.

Christian Leadership

Registration enquiries openFees and start date: to be announced16 modules

Biblical models of leadership, character and integrity, calling and vision, servant leadership, teams, decisions, conflict, church governance, stewardship and accountability.

Entrepreneurship & Business Growth

Registration enquiries openFees and start date: to be announced20 modules

From an idea to a working business: opportunities, business models, customers, planning, marketing, money and pricing, operations and customer service, built step by step in a project.

Using AI for Work, Business and Life

Registration not yet open13 modules

A practical course: you make complete, usable work with free or low-cost tools on a phone — a checked report, content and an advert; a video or an audio product; and a working website. You also learn where AI goes wrong and how to check it. Taught in Kiswahili.

How a lesson works

  1. You receive the lesson as a PDF on WhatsApp.
  2. You follow the study plan: reading, Scripture or examples, and exercises.
  3. You send your task to your tutor on WhatsApp (text, or a voice message for the English courses).
  4. After sending your task, you open the answer key and receive feedback.

More about how to learn

Online services

Library

Books, study guides and course materials by language, course and module.

Bookstore

Not yet open

Approved OBTS books with a description, an allowed sample and an approved price.

Dashboard

Your courses, next lesson, progress, tasks, feedback and purchased books.

AI assistant

Not yet open

Help to understand a lesson, practise an exercise and build your AI course project.

Fees and start dates have not yet been announced. Ask on WhatsApp and admissions will reply when they are confirmed.
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