CA spending per pupil in 1992 was $5380, and in 2009 was $11652. http://www.wolframalpha.com/input/?i=compare+ca+spending+per...
Adjusted for inflation is $8225, so ($11652-$8225)/$8225 = ~42% increase in spending. http://www.wolframalpha.com/input/?i=%245380.12+1992+in+2009...
NY spending per pupil in 1992 was $8710, and in 2009 was $21,264. http://www.wolframalpha.com/input/?i=ny+spending+per+pupil+1...
Adjusted for inflation is $13317, so ($21264-$13317)/$13317 = ~60% increase in spending. http://www.wolframalpha.com/input/?i=%248710+1992+in+2009+do...
EDIT: corrected NY percentage.
U.S average is $10,600 per student in 2010. California average was $9,375. New York was $18,618. Lowest was Utah at $6,064.
Looks like for CA (before inflation adjustment in parens):
1992: $7684 ($4697), 2010: $9870 ($9375) = ~28%
And NY:
1992: $12267 ($7498), 2010: $19127 ($18618) = ~55%
EDIT: re-calculated using data directly from US Census Bureau (http://www.census.gov/govs/school/).
CA spending per pupil in 1992 was $5380, and in 2009 was $11652. http://www.wolframalpha.com/input/?i=compare+ca+spending+per...
Adjusted for inflation is $8225, so ($11652-$8225)/$8225 = ~42% increase in spending. http://www.wolframalpha.com/input/?i=%245380.12+1992+in+2009...
NY spending per pupil in 1992 was $8710, and in 2009 was $21,264. http://www.wolframalpha.com/input/?i=ny+spending+per+pupil+1...
Adjusted for inflation is $13317, so ($21264-$13317)/$13317 = ~60% increase in spending. http://www.wolframalpha.com/input/?i=%248710+1992+in+2009+do...
EDIT: corrected NY percentage.