Several different parties have contributed to the core program or to alternate versions of it.

Nearly half of the company's revenues now come from selling core programs.

The core program of 5-day workshops is created two years in advance.

"We needed to maintain the integrity of those core programs," the superintendent said.

"Last year we eliminated almost everything possible without cutting into core academic programs," he said.

Students take four years of theology as part of the core program.

The core program gives them the right to go for and use the rings.

Tony Hey led the core programme from 2001 to 2005.

These are not supplemental programs, rather they provide critical aspects of the core program.

The first of the three core programs was founded in 1985.