The PTC contains the following information about a students high school from the CAS:
CAS_HS_TYPE_CODE
CAS_HS_TYPE_DESC
CAS_ETS_CODE
HS_NAME_MIXED
HS_CITY
HS_ZIP_CODE
HS_REGION_CODE
HS_REGION_DESC
HS_COUNTY_CODE
HS_COUNTY_DESC
HIGH_SCHOOL_GRAD_DATE