| Date | Person | Description |
|---|---|---|
| 1754 – 1756 | Karsznicki, Józef | Teacher of mathematics, ethics in Ostroh |
| 1770 – 1772 | Siekierzyński, Tomasz | Teacher of moral theology in Ostroh |
| 1636 – 1639 | Świętecius, Jakub | Teacher of mathematics, moral theology in Ostroh |
| 1644 – 1645 | Świętecius, Jakub | Teacher of mathematics in Ostroh |