74,000 students, 133 schools
Fighting to remain afloat, with stock down more than 90% this year. Has lost more than $260 million since 1992.
NOBEL LEARNING COMMUNITIES
25,000 students, 174 schools
Profitable Nasdaq-listed outfit runs private, charter, and special schools, such as those for the learning-challenged.
NATIONAL HERITAGE ACADEMIES
14,000 students, 28 schools
Private company says it's making money. Its schools stress
uniforms, discipline, parental involvement.
11,000 students, 40 schools
Acquired troubled Advantage Schools last year. Raised more than $100 million from Fidelity, U.S. Trust, others.