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October 2010

ALGEBRA FOR 8 TH GRADERS: EVIDENCE ON ITS EFFECTS FROM 10 NORTH CAROLINA DISTRICTS Charles T. Clotfelter Helen F. Ladd Jacob L. Vigdor. October 2010. North Carolina’s 10 Largest Districts. Largest City, Enrollment, and EOC Passing Rates, Ten N.C. Districts.

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October 2010

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  1. ALGEBRA FOR 8TH GRADERS:EVIDENCE ON ITS EFFECTS FROM 10 NORTH CAROLINA DISTRICTSCharles T. ClotfelterHelen F. LaddJacob L. Vigdor

  2. October 2010

  3. North Carolina’s 10 Largest Districts

  4. Largest City, Enrollment, and EOC Passing Rates,Ten N.C. Districts

  5. Chi-squared Tests for Variation in Risk for Algebra I

  6. F-tests for Unexplained Variation in Risk for Algebra I

  7. Decile-district Subsamples Excluded

  8. OLS: Coefficients on Algebra I by 8th Grade(other correlates: cohort, district, test decile)

  9. Instrumental Variable Estimates of the Impact of Acceleration into Algebra I in 8th Grade

  10. Quintile Interaction Effects of the Impact of Acceleration into Algebra I in 8th Grade

  11. Instrumented Quintile Interaction Effects of the Impact of Acceleration into Algebra I in 8th Grade

  12. Instrumented Gender Interaction Effects of the Impact of Acceleration into Algebra I in 8th Grade

  13. Instrumented Free/Reduced Lunch Interaction Effects of the Impact of Acceleration into Algebra I in 8th Grade

  14. Instrumented Parent Education Interaction Effects of the Impact of Acceleration into Algebra I in 8th Grade

  15. Taking Calculus: Algebra by 8th versus Algebra after 8th

  16. Repeating Algebra I: Algebra by 8th , Algebra in 9th, and Algebra After 9th

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