Objective: This research is compromised emotional maturity in boys’ adolescents with Down syndrome (12-18) years that study in formal and exceptional schools.

Materials & Methods: At first 15 boy’s students with DS that study in formal school matched with 15 students in Exceptional school (IQ, , age, family education and socioeconomic state were same) . Then EMS (Emotional Maturity Scale) was tested by researchers.

Results: Adolescents with DS in formal schools are significantly different and have better scale in emotional maturity and their fields. (P<0.001)

Conclusion: Emotional maturity in adolescents with DS in formal schools is positive and better than peers in Exceptional classs This result is helpful for improvement integrated education system. .