This can be done in several ways: by means tests that impose duties on many parents; by loans to be repaid under favourable conditions; by a special tax on graduates; or by mixtures of such approaches involving a generous system of bursaries as well as charges on well-to-do parents.
Eso se puede hacer de varias formas: mediante estudios socioeconómicos que impongan cuotas a muchos padres; a través de préstamos con condiciones favorables de pago; con un impuesto especial a los graduados; o mediante combinaciones de estas medidas que involucren un sistema generoso de becas y de cobros a padres ricos.