LCES is affiliated with the Ontario Alliance of Christian Schools(OACS), a Christian school service organization based in Ancaster, Ontario.  We are part of the Woodstock District of OACS, comprised of area Christian Schools in Woodstock, Strathroy, Aylmer, St. Thomas and Clinton. The OACS represents over 70 schools (55 elementary, 15 secondary) with 700 teachers and 10,000 students throughout the province. The Allliance is part of Christian Schools Canada (CSC). CSC has headquarters in Winnepeg, Manitoba and consists of 3 districts throughout Canada. The CSC is in turn part of the larger body of Christian schools around the world, known as Christian Schools International, or CSI.

LCES is also affiliated with London District Christian Secondary School. LDCSS strives to provide a high school education that integrates Christian faith, learning, and living for a life of Christian service.  Students receive a good academic education which provides them with a variety of options after graduation. Today, LDCSS has grown to about 360 students who come from London and the surrounding area.