1. In 24 California districts, only 20% of the students who repeated algebra in grade 9 achieved proficiency afterward.
  2. Nationwide, about 275,000 K-12 students attend school online.
  3. The 10 largest for-profit operators of online schools have spent about $94.4 million on ads since 2007. The largest, K12, Inc., spent $21.5 million in just the first 8 months of 2012.
  4. The National School Lunch Program, as of 2011, provided free or low-cost meals to 31 million low-income students each day.