| Notation | Variables | Derived or Actual | Data sources |
| GER | Gross Enrollment Ratio | calculated | Selected Educational Statistics, AIHES, Census, 1981, 1991, 2001 |
| LEnrol | Log of Enrolment | calculated | Selected Educational Statistics, AIHES, |
| PXPSH | Public Expenditure per student | -do- | Selected Educational Statistics, Analysis of Budgeted Expenditure on Education |
| PCGDP | Per capita Income | -do- | Indian Economic Survey, CSO, census, 1981, 1991, 2001 |
| unem_HS | Unemployment | -do- | Job seekers data |
| Inst_lakh | availability of higher education facilities per lakh eligible college going population | calculated | Selected Educational Statistics, Census, 1981, 1991, 2001 |
| BPL | Population living Below poverty line (in %) | Actual | NSSO |
| Lit_pop | Share of literate population | Actual | Census, 1981, 1991, 2001 |
| RuralPop | Share of Rural Population | Actual | Census, 1981, 1991, 2001 |
| GERSrSe | GER in senior secondary | calculated | Selected Educational Statistics, Census, 1981, 1991, 2001 |
| Results_HSS | Pass out rates in senior secondary examinations | Actual | Results of High School and Higher Secondary Examinations |
| RBGSrSec | Ratio of boys to girl’s enrolment in senior secondary education | calculated | Results of High School and Higher Secondary Examinations |
| Inst_Capc | Institutional Capacity | derived | estimated as the number of higher educational institutions per one lakh eligible age group population; Selected Educational Statistics, Census, 1981, 1991, 2001 |