Rubio has been active with the women's section of the national team. She has earned caps with the women's under-17, under-18, and under-19 teams. With the under-17 team, she participated in both the 2008 UEFA Women's Under-17 Championship and the inaugural 2008 FIFA U-17 Women's World Cup, where France were eliminated in the group stage. Rubio scored her lone goal in the tournament against the United States in the final group stage match. With the under-19s, Rubio played in the La Manga Cup international tournament and the 2009 UEFA Women's Under-19 Championship reached the semi-finals before bowing out to Sweden in extra time.