| pidp | Cross-wave person identifier (numeric) |
| ks3_engrdshmrk | Marks achieved in Shakespeare reading test |
| ks3_engwritmrk | Marks achieved in English writing test |
| ks3_engwrshmrk | Marks awarded in English shorter writing test |
| ks3_engrdtotmrk | Total marks achieved in English reading test |
| ks3_engwrtotmrk | Total marks awarded in English writing test |
| ks3_engtotmrk | Total marks achieved in English test |
| ks3_readlev | NC level awarded for English reading test |
| ks3_writlev | NC level awarded for English writing test |
| ks3_engtalev | NC level awarded for English (TA) |
| ks3_engmainlev | English main test level |
| ks3_acadyr | Academic year |
| ks3_englev | NC level awarded for English test |
| ks3_mattier | Maths paper sat by pupil |
| ks3_matpap1mrk | Marks achieved in paper 1 of maths test |
| ks3_matpap2mrk | Marks achieved in paper 2 of maths test |
| ks3_matarthmrk | Marks achieved in mental arithmetic paper of Maths test |
| ks3_mattotmrk | Total marks achieved in Maths test |
| ks3_mattalev | NC level awarded for Maths (TA) |
| ks3_matmainlev | Maths main test level |
| ks3_matlev | NC level awarded for maths test |
| ks3_scitier | Science paper sat by pupil |
| ks3_la_9code | Local authority 9-digit code |
| ks3_scipap1mrk | Marks achieved in paper 1 of science test |
| ks3_scipap2mrk | Marks achieved in paper 2 of science test |
| ks3_scitotmrk | Total marks achieved in Science test |
| ks3_scitalev | NC level awarded for Science (TA) |
| ks3_scimainlev | Science main test level |
| ks3_scilev | NC level awarded for science |
| ks3_mmsch | Maintained mainstream school(including CTCs and Academies) |
| ks3_mmsch2 | Maintained mainstream school(excluding CTCs and Academies) |
| ks3_msch | Maintained school(including CTCs and Academies) |
| ks3_msch2 | Maintained school(excluding CTCs and Academies) |
| ks3_laestab | The LA and ESTAB fields joined |
| ks3_mob1 | Pupil joined in latest academic year |
| ks3_mob2 | Pupil joined in previous two academic years |
| ks3_examyear_en | English examination year |
| ks3_examyear_ma | Maths examination year |
| ks3_examyear_sc | Science examination year |
| ks3_urn | Unique establishment number or early learner provider number |
| ks3_toe_code | Type of establishment code taken from Edubase |
| ks3_nftype | Institution type |
| ks3_engtier | English paper sat by pupil |
| ks3_engreadmrk | Marks achieved in English reading test |