Table 1. Classification of secondary educational level according to Cito Test scores and Dutch secondary educational levels.

Cito Test score	Dutch secondary educational level	ISCED a
-	Special education b	ISCED 2C / special education
< 523	Vmbo_b/l	ISCED 2C / preparing for labour market
≥ 523 and < 529	Vmbo_k	ISCED 2C / preparing for labour market
≥ 529 and < 533	Vmbo_g/t	ISCED 2B / preparing for vocational education
≥ 533 and < 537	Vmbo/Havo	ISCED 2A / 2B / Combination class of preparing for vocational education and tertiary education (that is senior general education)
≥ 537 and < 541	Havo	ISCED 2A / preparing for tertiary education (that is senior general education)
≥ 541 and < 545	Havo/Vwo(only offered in the first year of secondary education)	ISCED 2A / preparing for tertiary education (combination class of senior general education and pre-university education)
> 545	Vwo	ISCED 2A / preparing for tertiary education (that is pre-university education)

^a International Standard Classification of Education by UNESCO (update 1997)

^b education lower than the regular school levels.