School of the Spirit (Society of Friends)

Sandra Lee Cronk was a Quaker author who co-founded School of the Spirit, a ministry of prayer and learning under the auspices of Philadelphia Yearly Meeting. Her papers include manuscripts of her published works, numerous unpublished manuscripts, and records of some of the workshops that she gave at Pendle Hill.

The School of the Spirit is a ministry of prayer and teaching under the care of Philadelphia Yearly Meeting's Worship and Care Standing Committee. Its primary activity is the two-year program, "On Being a Spiritual Nurturer."