star.def

  id schid  tchid  tchexper absent  readscore mathscore  totalscore boy 
  white_asian black  tchwhite tchmasters  freelunch  schurban schrural 
  small regular aide              
  
  Obs:   5786 observations

   id 		student id
   schid	school id
   tchid	teacher id
   tchexper	teacher years of experience
   absent	days absent
   readscore	reading score
   mathscore	math score
   totalscore	combined math and reading score
   boy		male student
   white_asian	white or asian student
   black	black student
   tchwhite	white teacher
   tchmasters	teacher with masters degree
   freelunch	free lunch provided
   schurban	school urban or inner city
   schrural	school rural
   small	small class
   regular	regular class
   aide		regular class with aide"
           
Data source: http://www.heros-inc.org/star.htm 



    Variable |       Obs        Mean    Std. Dev.       Min        Max
-------------+--------------------------------------------------------
          id |      5786    15593.06    2694.317      10133      21580
       schid |      5786    211001.8    38381.93     112038     264945
       tchid |      5786    2.11e+07     3838193   1.12e+07   2.65e+07
    tchexper |      5766    9.306452    5.767684          0         27
      absent |      5765    10.27511     9.27064          0         79
-------------+--------------------------------------------------------
   readscore |      5786    436.7297    31.71347        315        627
   mathscore |      5786     485.599    47.69394        320        626
  totalscore |      5786    922.3287     73.7466        635       1253
         boy |      5786    .5134808    .4998614          0          1
 white_asian |      5786    .6766333    .4678018          0          1
-------------+--------------------------------------------------------
       black |      5786    .3209471    .4668809          0          1
    tchwhite |      5786    .8354649    .3707925          0          1
  tchmasters |      5786     .351711    .4775456          0          1
   freelunch |      5786    .4816799    .4997074          0          1
    schurban |      5786    .3128241    .4636834          0          1
-------------+--------------------------------------------------------
    schrural |      5786    .4709644    .4991994          0          1
       small |      5786    .3003802    .4584629          0          1
     regular |      5786    .3465261    .4759043          0          1
        aide |      5786    .3530937    .4779728          0          1

             
