Al-Wadin bin Ata (may Allah have mercy on him) says: There were three teachers in Madinah who taught children, and Sayyiduna Umar bin al-Khattab (may Allah be pleased with him) used to give each of them fifteen dirhams a month as remuneration.
Hadith Referenceالسنن الكبرى للبيهقي / كتاب الإجارة / 11678