Table 7. 
Examining Whether Four-Year Enrollment Effects Persist
Three Pre-Policy Cohorts Plus:
Dependent VariableAll 3 Post Cohorts (1)First 2 Post Cohorts (2)First Post Cohort Only (3)Pre-Policy Dep. Var. Mn. (4)
Enroll within two years 0.006 0.007* 0.007 0.321 
 (0.004) (0.004) (0.005)  
and persist to year 2 0.004 0.005 0.006 0.278 
 (0.003) (0.004) (0.004)  
and persist to year 3  0.004 0.006 0.259 
  (0.003) (0.004)  
and persist to year 4   0.007* 0.244 
   (0.004)  
and graduate in four years   0.005* 0.096 
   (0.003)  
Enroll within one year 0.006* 0.006* 0.006 0.291 
 (0.003) (0.004) (0.004)  
and persist to year 2 0.005 0.005 0.006 0.256 
 (0.003) (0.003) (0.004)  
and persist to year 3 0.004 0.005 0.006 0.240 
 (0.003) (0.003) (0.004)  
and persist to year 4  0.005 0.006* 0.228 
  (0.003) (0.004)  
and graduate in four years  0.002 0.004 0.091 
  (0.002) (0.003)  
and graduate in five years   0.004 0.169 
   (0.003)  
Sample size 536,813 448,234 357,181  
Covariates  
School fixed effects  
Three Pre-Policy Cohorts Plus:
Dependent VariableAll 3 Post Cohorts (1)First 2 Post Cohorts (2)First Post Cohort Only (3)Pre-Policy Dep. Var. Mn. (4)
Enroll within two years 0.006 0.007* 0.007 0.321 
 (0.004) (0.004) (0.005)  
and persist to year 2 0.004 0.005 0.006 0.278 
 (0.003) (0.004) (0.004)  
and persist to year 3  0.004 0.006 0.259 
  (0.003) (0.004)  
and persist to year 4   0.007* 0.244 
   (0.004)  
and graduate in four years   0.005* 0.096 
   (0.003)  
Enroll within one year 0.006* 0.006* 0.006 0.291 
 (0.003) (0.004) (0.004)  
and persist to year 2 0.005 0.005 0.006 0.256 
 (0.003) (0.003) (0.004)  
and persist to year 3 0.004 0.005 0.006 0.240 
 (0.003) (0.003) (0.004)  
and persist to year 4  0.005 0.006* 0.228 
  (0.003) (0.004)  
and graduate in four years  0.002 0.004 0.091 
  (0.002) (0.003)  
and graduate in five years   0.004 0.169 
   (0.003)  
Sample size 536,813 448,234 357,181  
Covariates  
School fixed effects  

Notes: The sample is as in tables 5 and 6. Each point estimate is from a separate linear probability model, difference-in-difference regression. Standard errors in parentheses are clustered at the school level.

*Significant at the 10% level.

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