Complex sentence: Jane Stanes (who resigned the following year due to ill-health) and Edith Cook (who was promoted to head in 1882), both transferred from the Grote Street Model School, followed by Rene Amand Martin, (French).
Split into simpler sentences: Jane Stanes (who resigned the following year due to ill-health) and Edith Cook (who was promoted to head in 1882). They were transferred from the Grote Street Model School, followed by Rene Amand Martin, (French).