Gross enrolment ratio

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The gross enrolment ratio (GER) or gross enrolment index (GEI) is a statistical measure used in the education sector. The GER gives a rough indication of the level of education – primary, secondary, and/or tertiary – amongst residents in a given jurisdiction.

The GER is calculated by dividing the total number of students enrolled at each level (regardless of age) by the population of the age group that should be enrolled at that level at the start of the academic year.

Example:

Locale A has 950,000 pupils enrolled in primary education in the academic year 2005/06.
Locale A should have 1,000,000 pupils enrolled.

GER = number of actual students enrolled / number of potential students enrolled

(950,000 / 1,000,000) = 0.95

= $0.95 * 100 = 95\%$

A combined gross enrolment ratio (CGER) – incorporating all three levels of education – is used to calculate the Human Development Index (HDI), an annual gauge of well-being for UN member states. Amongst other measures used in the calculation, the CGER is given one-third weight in assessing the knowledge component while the adult literacy rate for a given territory is assigned two-thirds weight.