The purpose of this study is to examine the attitudes of teacher toward heritage (mother tongue) languages based multilingual education and based on these findings to determine how teachers within public school settings perceive multilingual education. The sample comprised 150 teachers employed in public schools in Turkey. The survey method was used in this study, which used a 5-point Likert-type scale based on the multilingual education attitudes. The scale included 25 items and was prepared through the SurveyMonkey database. The survey was designed to determine the attitudes of teachers on heritage-language-based multilingual education and was conducted through the snowball sampling technique on teachers working in public schools in Turkey. A Cronbach's alpha reliability analysis on the data was conducted, and the reliability coefficient of the scale was 0.968. The results showed the positive attitudes of teachers concerning multilingual education policies.