Columbia subject headings:
School improvement programs--Europe--Case studies.
School improvement programs--Pennsylvania--Philadelphia--Case studies.
Vocational education--Europe--Case studies.
Vocational education--Pennsylvania--Philadelphia--Case studies.
Working class--Education--Europe--Case studies.
Working class--Education--Pennsylvania--Philadelphia--Case studies.
Harvard subject headings:
Career education--Europe.
Community and school--Pennsylvania--Philadelphia.
Education, Cooperative--Europe.
Education, Cooperative--Pennsylvania--Philadelphia.
Vocational education--Europe.
Working class--Education--Europe.
Working class--Education--Pennsylvania--Philadelphia.
Princeton subject headings:
School improvement programs--Europe--Case studies.
School improvement programs--Pennsylvania--Philadelphia--Case studies.
Vocational education--Europe--Case studies.
Vocational education--Pennsylvania--Philadelphia--Case studies.
Working class--Education--Europe--Case studies.
Working class--Education--Pennsylvania--Philadelphia--Case studies.