Teacher Randy Vogel helps Alex Cervantes in an algebra class, at Serra High School in San Mateo, Calif., Thursday , January 31, 2008. A recent study show that public schools are no better or worse than private schools. San Mateo County Times/John Green

- Image ID: CAH582

Teacher Randy Vogel helps Alex Cervantes in an algebra class, at Serra High School in San Mateo, Calif., Thursday , January 31, 2008. A recent study show that public schools are no better or worse than private schools. San Mateo County Times/John Green

ZUMA Press, Inc. / Alamy Stock Photo

Image ID: CAH582