Attainment also has links to the risk of youth homelessness, as there is evidence of young people who are homeless lacking literacy and numeracy skills.
Mae gan gyrhaeddiad gysylltiadau hefyd â'r perygl o ddigartrefedd ymysg pobl ifanc, gan fod tystiolaeth bod pobl ifanc sy'n ddigartref heb sgiliau llythrennedd a rhifedd.