1 EXHIBIT 21--SUBSIDIARIES OF THE REGISTRANT Percent State of Owned Incorporation -------- ------------- Children's Comprehensive Services of California, Inc. 100% California d/b/a Advocate Schools CCS/Altacare of Arkansas, Inc. 100% Arkansas CCS/Bay County, Inc. 100% Florida CCS/Gulf Pines, Inc. 100% Texas CCS/Lansing, Inc. 100% Michigan d/b/a Rivendell Center for Behavioral Health CCS of Montana, Inc. 100% Montana CCS/Little Rock, Inc. 100% Arkansas d/b/a Rivendell Behavioral Health Services CCS/Rivendell of Kentucky, Inc. 100% Kentucky d/b/a Rivendell Behavioral Health Services CCS/Salt Lake City, Inc. 100% Utah d/b/a Copper Hills Youth Center Ventures Healthcare of Gainesville, Inc. 100% Tennessee Chad Youth Enhancement Center, Inc. 100% Tennessee CCS/Meadow Pines, Inc. 100% Texas American Clinical Schools, Inc. 100% Delaware Tennessee Clinical Schools, Inc. 100% Tennessee d/b/a Hermitage Hall Alabama Clinical Schools, Inc. 100% Alabama Pennsylvania Clinical Schools, Inc. 100% Pennsylvania Somerset, Inc. 100% California Children's Comprehensive Services of Hawaii, Inc. 100% Hawaii