*COUNTRY ID*
99999 = OMITTED

PRINCIPAL EXPERIENCE-TOTAL CAREER
97 = INVALID
99 = OMITTED

AUTONOMY-CURRICULUM PLANNING
1 = FULL AUTONOMY
2 = QUITE A LOT OF AUTOMOMY
3 = LITTLE AUTONOMY
4 = NO AUTONOMY
7 = INVALID
9 = OMITTED OR INVALID

PARTICIPATION-DECISION-MAKING PROCESS
1 = ALL OR NEARLY ALL
2 = MOST OF THEM
3 = SOME OF THEM
4 = NONE OR HARDLY ANY
5 = NOT APPLICABLE
7 = INVALID
9 = OMITTED OR INVALID

ACTIVITIES-ENVIRONMENT LOCAL AREA
1 = ALL OR NEARLY ALL
2 = MOST OF THEM
3 = SOME OF THEM
4 = NONE OR HARDLY ANY
5 = NOT OFFERED AT SCHOOL
7 = INVALID
9 = OMITTED OR INVALID

PARENTS-TAKING PART PARENT <ASSOCIATION>
1 = ALL OR NEARLY ALL
2 = MOST OF THEM
3 = SOME OF THEM
4 = NONE OR HARDLY ANY
7 = INVALID
9 = OMITTED OR INVALID

INFLUENCE-TEACHERS
1 = TO A LARGE EXTENT
2 = TO A MODERATE EXTENT
3 = TO A SMALL EXTENT
4 = NOT AT ALL
5 = NOT APPLICABLE
7 = INVALID
9 = OMITTED OR INVALID

OPINION-TEACHING/LEARNING MATERIALS
1 = TO A LARGE EXTENT
2 = TO A MODERATE EXTENT
3 = TO A SMALL EXTENT
4 = NOT AT ALL
7 = INVALID
9 = OMITTED OR INVALID

RESOURCES-PUBLIC LIBRARIES
1 = YES
2 = NO
7 = INVALID
9 = OMITTED

FREQUENCY-VANDALISM
1 = NEVER
2 = SOMETIMES
3 = OFTEN
4 = VERY OFTEN
7 = INVALID
9 = OMITTED

<CCE> AIMS-FIRST TICK
1 = CHECKED
2 = NOT CHECKED
7 = INVALID
9 = OMITTED

PUBLIC OR PRIVATE SCHOOL
1 = A PUBLIC SCHOOL
2 = A PRIVATE SCHOOL
7 = INVALID
9 = OMITTED OR INVALID

NUMBER OF STUDENTS-BOYS
9997 = INVALID
9999 = OMITTED

NUMBER STUDENTS IN <TARGET GRADE>-BOYS
997 = INVALID
999 = OMITTED

SIZE OF THE COMMUNITY
1 = A VILLAGE OR HAMLET OR RURAL AREA
2 = A SMALL TOWN
3 = A TOWN
4 = A CITY
5 = A LARGE CITY
7 = INVALID
9 = OMITTED OR INVALID

*EXPLICIT STRATUM CODE*
99 = OMITTED

*IN ICCS 2009*
0 = NOT IN ICCS 2009 INT. SAMPLE
1 = IN ICCS 2009 INT. SAMPLE
9 = OMITTED

*SCHOOL BASE WEIGHT*
9999 = OMITTED

*JACKKNIFE REPLICATE CODE-SCHOOL STUDY*
9 = OMITTED

*SYSTEM ID SCHOOL FILE*
999999 = OMITTED

*SCHOOL PARTICIPATION STATUS INDICATOR*
1 = QUEST NOT RETURNED
2 = QUEST LOST
3 = QUEST RETURNED COMPLETED
6 = SCHOOL NOT PART OF THE SAMPLE
9 = OMITTED

*POPULATION ID*
2 = TARGET GRADE
3 = ADDITIONAL GRADE
9 = OMITTED

*FILE CREATION DATE AT DPC HAMBURG*
99999999 = OMITTED

*ADMINISTRATION MODE/DATA SOURCE*
1 = ONLINE
2 = PAPER
9 = OMITTED

*AGE OF SCHOOL PRINCIPAL*
23 = 23
27 = 27
35 = 35
45 = 45
55 = 55
63 = 63
97 = INVALID
99 = OMITTED

*GENDER OF SCHOOL PRINCIPAL*
0 = MALE
1 = FEMALE
7 = INVALID
9 = OMITTED

*PRIVATE SCHOOL INDICATOR*
0 = PUBLIC SCHOOL
1 = PRIVATE SCHOOL
7 = INVALID
9 = OMITTED

PERCEPTION OF SCHOOL AUTONOMY - WLE
999 = OMITTED