The impact of special education on students with special needs (With Laurens de Croes and Stan Vermeulen). 

The impact of intensive coaching on long-term outcomes. Evidence from a randomized experiment. (With Ilja Cornelisz, Chris van Klaveren, Marc van der Steeg and Dinand Webbink).

The more support, the better? The impact of educational provisions on outcomes of students with special educational needs. (With Ilja Cornelisz, Laurens de Croes, Chris van Klaveren, Stan Vermeulen and Inge de Wolf). 

A meta-analysis of school-based interventions to reduce absenteeism. (With Ilja Cornelisz, Laurens de Croes, Chris van Klaveren and Melvin Vooren).