| Value |
Category |
| 000 |
NIU (not in universe) |
| 100 |
None |
| 110 |
Adult literacy program |
| 200 |
Elementary school |
| 201 |
Elementary, grade 1 |
| 202 |
Elementary, grade 2 |
| 203 |
Elementary, grade 3 |
| 204 |
Elementary, grade 4 |
| 205 |
Elementary, grade 5 |
| 206 |
Elementary, grade 6 (old system) |
| 207 |
Unknown grade |
| 300 |
Middle school |
| 301 |
Middle school, grade 1 |
| 302 |
Middle school, grade 2 |
| 303 |
Middle school, grade 3 |
| 304 |
Middle school, unknown grade |
| 310 |
Middle school (old system) |
| 311 |
Middle school (old system), grade 7 or 8 |
| 312 |
Middle school (old system), grade 9 |
| 400 |
High school |
| 401 |
High school, grade 1 |
| 402 |
High school, grade 2 |
| 403 |
High school, grade 3 |
| 404 |
High school, unknown grade |
| 410 |
Pre-university (additional year) |
| 411 |
Pre-university, no degree |
| 412 |
Pre-university, degree |
| 420 |
Preliminary theology |
| 500 |
Vocational, credited system |
| 501 |
Vocational, credited system, no degree |
| 502 |
Vocational, credited system, degree |
| 510 |
Training and mastership, credited system |
| 511 |
Training and mastership, credited system, no degree |
| 512 |
Training and mastership, credited system, degree |
| 520 |
Vocational, 4-years system |
| 521 |
Vocational, 4-years system, no degree |
| 522 |
Vocational, 4-years system, degree |
| 530 |
Vocational, 6-years system |
| 531 |
Vocational, 6-years system, no degree |
| 532 |
Vocational, 6-years system, degree |
| 540 |
Other vocational or technical |
| 541 |
Pre-vocational or pre-technical, short |
| 542 |
Vocational or technical, theoretical track, short |
| 543 |
Vocational or technical, practical track, short |
| 544 |
Pre-vocational or pre-technical, long |
| 545 |
Vocational or technical, long |
| 546 |
Other vocational/technical or teacher training |
| 600 |
College |
| 601 |
College, no degree |
| 602 |
College, degree |
| 610 |
Master's program |
| 611 |
Graduate program, no degree |
| 612 |
Graduate program, degree |
| 620 |
Medicine |
| 621 |
Medicine, no degree |
| 622 |
Medicine, degree |
| 630 |
Community college |
| 631 |
Community college, no degree |
| 632 |
Community college, degree |
| 640 |
Doctoral program |
| 641 |
Doctoral program, no degree |
| 642 |
Doctoral program, degree |
| 650 |
Post doctoral |
| 651 |
Post doctoral program, no degree |
| 652 |
Post doctoral program, degree |
| 699 |
College, unknown |
| 700 |
Shiism theology |
| 701 |
Shiism theology, 1st level |
| 702 |
Shiism theology, 2nd level |
| 703 |
Shiism theology, 3rd level |
| 710 |
Seminary school theology |
| 711 |
Seminary school theology, 1st level |
| 712 |
Seminary school theology, 2nd level |
| 720 |
Theology |
| 721 |
Theology, Sunni |
| 722 |
Theology, other sects |
| 723 |
Theology, other religions |
| 724 |
Theology, unknown religion |
| 999 |
Unknown |
Warning: these figures indicate the number of cases found in the data file. They cannot be interpreted as summary statistics of the population of interest.