Country ID - Numeric Code
999999 = Omitted or invalid

Booklet ID
0 = No booklet assigned as student is excluded
1 = Booklet 01
2 = Booklet 02
3 = Booklet 03
4 = Booklet 04
5 = Booklet 05
6 = Booklet 06
7 = Booklet 07
8 = Booklet 08
9 = Booklet 09
10 = Booklet 10
11 = Booklet 11
12 = Booklet 12
13 = Booklet 13
14 = Booklet 14
99 = Omitted or invalid

School ID
9999 = Omitted or invalid

Student ID
99999999 = Omitted or invalid

Teacher Link Number
99 = Omitted or invalid

Student Participation Status Indicator
0 = Student excluded and did not participate
1 = Student left school permanently
2 = Student absent
3 = Student participated
4 = Parental permission denied
5 = Student excluded, but data available
6 = Student removed from sample
7 = Booklet lost
99 = Omitted or invalid

Population ID
1 = Pop 1
2 = Pop 2
3 = Pop 3
9 = Omitted or invalid

Standardized Grade ID
1 = Lower Grade
2 = Upper Grade
9 = Omitted or invalid

Grade ID
3 = Grade 3
4 = Grade 4
5 = Grade 5
6 = Grade 6
7 = Grade 7
8 = Grade 8
9 = Grade 9
10 = Grade 10
99 = Omitted or invalid

Subject ID
1 = Mathematics
2 = Science
9 = Omitted or invalid

Subject Code
1 = Mathematics
2 = Physics
3 = Biology
4 = Chemistry
5 = Earth science
6 = Integrated science
7 = Mathematics and Science
8 = Physics/Chemistry
9 = Biology/Earth science
10 = Biology/Chemistry
11 = Physics/Biology
12 = Physics/Earth science
13 = Chemistry/Earth science
14 = Natural science
15 = Science work
16 = <>
17 = <>
99 = Omitted or invalid

Mathematics Teacher Link
9 = Omitted or invalid

EXPLICIT STRATUM CODE
999 = Omitted or invalid

GEN\SEX OF TEACHER
1 = Female
2 = Male
9 = Omitted or invalid

GEN\AGE OF TEACHER
1 = Under 25
2 = 25–29
3 = 30–39
4 = 40–49
5 = 50–59
6 = 60 or more
9 = Omitted or invalid

GEN\LEVEL OF FORMAL EDUCATION COMPLETED
1 = Did not complete Grade 12
2 = Finished Grade 12
3 = Finished post-matric certificate
4 = Finished diploma
5 = Finished first degree
6 = Finished Honours degree
7 = Finished Master's degree
8 = Finished Doctoral degree
98 = Not administered
99 = Omitted or invalid

GEN\MAJOR AREA OF STUDY\MATHEMATICS
1 = Yes
2 = No
6 = Logically not applicable
9 = Omitted or invalid

GEN\MAJOR AREA OF STUDY\LANGUAGE/READING
1 = Yes
2 = No
8 = Not administered
9 = Omitted or invalid

GEN\CHARACTERIZE\TCHS UNDERSTANDING
1 = Very high
2 = High
3 = Medium
4 = Low
5 = Very low
9 = Omitted or invalid

GEN\CHARACTERIZE\JOB SATISFACTION
1 = Very high
2 = High
3 = Medium
4 = Low
5 = Very low
8 = Not administered
9 = Omitted or invalid

GEN\THINKING ABT CURR SCH\SAFE NEIGHBORH
1 = Agree a lot
2 = Agree a little
3 = Disagree a little
4 = Disagree a lot
9 = Omitted or invalid

GEN\SEVERITY PROBLEM\BUILDING REPAIR
1 = Not a problem
2 = Minor problem
3 = Moderate problem
4 = Serious problem
9 = Omitted or invalid

GEN\SEVERITY PROBLEM\PRINCIPAL ABSENTEEISM
1 = Not a problem
2 = Minor problem
3 = Moderate problem
4 = Serious problem
8 = Not administered
9 = Omitted or invalid

GEN\INTERACTIONS TEACHERS\DISCUSS TOPIC
1 = Very often
2 = Often
3 = Sometimes
4 = Never or almost never
9 = Omitted or invalid

MATH\LANGUAGE DIFFICULTIES WRITTEN
98 = Not administered
99 = Omitted or invalid

GEN\HOW OFTEN\DAILY LIVES
1 = Every or almost every lesson
2 = About half the lessons
3 = Some lessons
4 = Never
9 = Omitted or invalid

MATH\HOW OFTEN\INTERESTING MATERIALS
1 = Every or almost every lesson
2 = About half the lessons
3 = Some lessons
4 = Never
8 = Not administered
9 = Omitted or invalid

GEN\LIMIT TEACHING\LACKING KNOWLEDGE
1 = Not at all
2 = Some
3 = A lot
9 = Omitted or invalid

MATH\CONFIDENT\INSPIRE STUDENTS
1 = Very high
2 = High
3 = Medium
4 = Low
9 = Omitted or invalid

MATH\TEACH RESOURCES\TEXTBOOKS
1 = Basis for instruction
2 = Supplement
3 = Not used
8 = Not administered
9 = Omitted or invalid

MATH\PERMITTED TO USE CALCULATORS
1 = Yes, unrestricted
2 = Yes, restricted
3 = No
9 = Omitted or invalid

MATH\HOW OFTEN USE CALC\CHECK ANSWERS
1 = Every or almost every lesson
2 = About half the lessons
3 = Some lessons
4 = Never
6 = Logically not applicable
9 = Omitted or invalid

MATH\COMPUTER TABLET AVAILABILITY DURING MATH
1 = Yes
2 = No
9 = Omitted or invalid

MATH\COMPUTER TABLET ACTIVITIES\EXPLORE CONCEPT
1 = Every or almost every day
2 = Once or twice a week
3 = Once or twice a month
4 = Never or almost never
6 = Logically not applicable
9 = Omitted or invalid

MATH\TOPIC\NUMBER\COMPUTING
1 = Mostly taught before this year
2 = Mostly taught this year
3 = Not yet taught or just introduced
9 = Omitted or invalid

MATH\HOW OFTEN MATH HOMEWORK ASSIGNED
1 = No mathematics homework
2 = Less than once a week
3 = 1 or 2 times a week
4 = 3 or 4 times a week
5 = Every day
9 = Omitted or invalid

MATH\TIME SPENT ON HOMEWORK
1 = 15 minutes or less
2 = 16–30 minutes
3 = 31–60 minutes
4 = 61–90 minutes
5 = More than 90 minutes
6 = Logically not applicable
9 = Omitted or invalid

MATH\HOMEWORK\CORRECT ASSIGNMENTS
1 = Always or almost always
2 = Sometimes
3 = Never or almost never
6 = Logically not applicable
9 = Omitted or invalid

MATH\EMPHASIS\ASSESSMENT OF WORK
1 = Major emphasis
2 = Some emphasis
3 = Little or no emphasis
9 = Omitted or invalid

MATH\EMPHASIS\ANNUAL NATIONAL ASSESSMENT
1 = Major emphasis
2 = Some emphasis
3 = Little or no emphasis
8 = Not administered
9 = Omitted or invalid

MATH\<PROF DEVELOPMENT> HOURS
1 = None
2 = Less than 6 hours
3 = 6–15 hours
4 = 16–35 hours
5 = More than 35 hours
9 = Omitted or invalid

MATH\PREPARED\NUMBER\COMPUTING
1 = Not applicable
2 = Very well prepared
3 = Somewhat prepared
4 = Not well prepared
9 = Omitted or invalid

MATH\STUDY AREA\GRADE 12
1 = Mathematics
2 = Biology
3 = Physics
4 = Chemistry
5 = Earth or Environmental Science
6 = Education - Mathematics
7 = Education - Science
8 = Education - General
9 = Other
10 = Multiple response
98 = Not administered
99 = Omitted or invalid

Data Availability Teacher in OSS
0 = Not in Source
1 = In Source
9 = Omitted or invalid

School Emph on Acad Success-Tchr/IDX
1 = Very High Emphasis
2 = High Emphasis
3 = Medium Emphasis
9 = Omitted or invalid

Safe and Orderly Schools-Tchr/IDX
1 = Very Safe and Orderly
2 = Safe and Orderly
3 = Less than Safe and Orderly
9 = Omitted or invalid

School Conditions and Resources-Tchr/IDX
1 = Hardly Any Problems
2 = Minor Problems
3 = Moderate to Severe Problems
9 = Omitted or invalid

Teachers Job Satisfaction/IDX
1 = Very Satisfied
2 = Satisfied
3 = Less than Satisfied
9 = Omitted or invalid

Challenges Facing Teachers/IDX
1 = Few Challenges
2 = Some Challenges
3 = Many Challenges
9 = Omitted or invalid

Teaching Limited by Student Needs/IDX
1 = Not Limited
2 = Somewhat Limited
3 = Very Limited
9 = Omitted or invalid

Teachers Majored in Math and Math Ed
1 = Major in Math and Math Ed
2 = Major in Math but not in Math Ed
3 = Major in Math Ed but not in Math
4 = All Other Majors
5 = No Formal Ed Beyond Upper Secondary
9 = Omitted or invalid

0 = Independent
1 = Public

1 = Public (No-fee paying)
2 = Public (Fee paying)
3 = Independent

1 = EC
2 = FS
3 = GT
4 = KZ
5 = LP
6 = MP
7 = NC
8 = NW
9 = WC