“…We would like to highlight some particular and more widespread salient lines of work, such as its potential strategic force on teaching and learning (Batllé, 2013;Morin & Waysdorf, 2013;Russo, 2013), its relationship with local and communitary action (Becket, Refaei & Skutar, 2012), its link to values and social commitment teaching (Aramburuzabala, 2013;Boland, 2014), professional competences acquisition (Ferran & Guinot, 2012;Tejada, 2013), the impact on students (Lin, Wu, Wu, Pan, & Liao 2014;Waldner, McGorry, & Widener, 2012), the obstacles and limitations that these projects present (Crabtree, 2013;Páez & Puig, 2013) and their link with teacher training (Chambers & Lavery, 2012;Gleason & Violette, 2012;He & Prater, 2014). Another issue to be pointed out here is the rise that research on SL has in eastern regions such as China, Taiwan, Korea, Singapore, etc.…”