Using 'Peer Grade' to Determine Whether a Grade 56 or 58

/* calculate peer grade level as of 09/01/03 (beginning of sy 2003/2004) for all students for whom bestgrd is 56 or 58 (self-contained sped). yr='xx' must be updated (by adding 1) to calculate peer grade for the. next school year. assumes starting kdg if 5 years old by sept 1 -and- 1st grade … ................
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