CTS offers evening classes for church leaders and interested people using a specifically lay curriculum – Bible Training Center for Church Leaders (BTCL), which is used to train church leaders around the world.
* BTCL (Bible Training Center for Church Leaders), Bible Training Center for Church Leaders (for Church Leaders, Teachers and Lay Leaders)
| Subjects | Class Hours |
| 1. How to Study the Scriptures | 40 |
| 2. Exploring the Old Testament | 60 |
| 3. Exploring the New Testament | 60 |
| 4. Conveying the Gospel | 40 |
| 5. Exploring biblical beliefs | 60 |
| 6. Spiritual Life | 40 |
| 7. Church Mission/Administration/Education | 40 |
| 8. Mission/Announcement/Discipleship | 60 |
| Total | 400 |