With the under-17 team, Kakuta was a regular selection of coach Francis Smerecki. He made debut with the team on 4 October 2007 in a 1–1 draw against Switzerland. In qualification for the 2008 UEFA European Under-17 Championship, Kakuta scored a goal in the team's 6–0 thrashing of Albania in the first qualifying round. In the Elite Round, he was clinical in the team's final group stage match against Russia scoring a double in a much-needed 3–1 victory. The win assured the team a place in the UEFA-sanctioned tournament. In the tournament, he went scoreless, but contributed to the team's finals appearance converting the 3rd penalty for France in their 4–3 penalty shootout victory over Turkey in the semi-finals. In the final, France were defeated 4–0 by Spain. With the under-18 team, Kakuta only made 5 appearances, but scored three goals, which included a brace against the Republic of Ireland in the Tournio de Limoges and the lone goal in the team's 1–0 win over Turkey in a match that was played at the Stade Mayol.