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Study on the development of all-day schools (StEG)

Research Question

In 2005, 2007 and 2009 a large number of all-day schools were surveyed as part of the multi-perspective study StEG.

Test Language


Test Period

2005, 2007 and 2009

Test Area

14 federal states ("Länder") of Germany (without Baden-Württemberg and Saarland)

Target Persons

  • school principals
  • students in primary school (3rd grade)
  • students in secondary school (5th, 7th and 9th grade)
  • parents
  • teachers
  • educational staff
  • cooperation partners

Population / Sample

All included schools, regardless of the federal state, had to meet at least the three criteria of an all-day-school which were drawn up by the KMK in 2003: Each week, the schools have to guarantee an all-day service for at least three days, which covers seven or more full hours. Furthermore, only those educational institutions are considered to be all-day schools that offer their students a lunch on those long days. The third criterion requires that within the full-day offers a conceptual connection is made to specialized classes and these are organized under the supervision and responsibility of the headmaster.

The overall population comprises of inventory lists of the KMK, where for each federal state all of the all-day schools in 2005 were listed. For StEG each explicit startum (type of school, federal state) should be filled as far as possible with 20 all-day schools. If within one stratum of a federal state less than 20 schools were listed, a full survey was targeted.

The surveys of 2007 and 2009 were carried out on the all-day schools drawn for 2005 in order to examine the development of these schools.

Sample Size

n= 371 all-day schools (including 323 panel schools)

Survey Procedure and Instruments

Questionnaires for all target persons

Link to the Detailed Description of the Study (in German)

Persistent Identifier

DOI: 10.5159/IQB_StEG_v1

Data Accessible via Research Data Centre

To the Study Documentation at the FDZ at the IQB:

Information about the using conditions can be found here:

Documentation of Variables (in German) (in German) (in German) (in German) (in German) (in German) (in German) (in German) (in German)


Monika Lacher
FDZ Secretary
Phone: +49 30 / 20 93 - 465 52
Email: fdz[at]

Selection of Publications using the Data (in German)

Research Area(s)