I have experimented using Story Circles with two varied populations, and for both it worked really well!  As stated in the manual, it is important to be very clear about your goal for Story Circles, as the prompt questions chosen to support this goal and are the key pieces for generating the types of dialogues you hope to achieve.   The first group I did Story Circles with was a community organization whose mission is to build understanding and friendships between cultures and faiths.  When the registrations began, there were mainly white, older community members.  In order for this program to work well, the more diversity among participants the better!!  After a great deal of targeted outreach, we ended up with a group of about 24 highly diverse participants (age, gender, ethnicity, language and culture).  The goal was primarily to generate greater understanding, connection, and empathy through active listening and sharing of their stories. We did have a few participants whose English was not very strong, and this alters the dynamics as well. Be aware that this situation requires additional time for participants to explain and understand each other.  

The second population I have used this with are community college students, as part a way to develop deeper sense of community within a "First Year Experience" class.  The first prompt was light, the second was deeper.  I did this within the first week of class.  The opportunity to share in small groups created a super dialogue - they were all quite into it and it provided a great way to build bonding and connection among the students as a way to begin a class semester.  It went better than I expected, perhaps because these students loved to talk and enjoyed the chance to share their perspectives.  The goal with this Story Circle was on "listening as transformational", and also to develop connection, trust and support between participants.   The community college setting is also diverse in terms of age, ethnicity, race, socioeconomic backgrounds, and able-bodiedness.  All of these factors in this setting support the use of an activity such as Story Circles.

The manual for facilitating Story Circles is available for free by UNESCO and is also on the WGIGC (World Council on Intercultural and Global Comptence)  https://iccglobal.org/.   It is highly detailed and very useful for providing examples of prompt questions, facilitator guidelines and any details you might not think of.   The highly structured use of dialogue also helps make it an excellent intercultural learning activity!