[6] The school badge is similar to the County Down coat of arms with the motto "Absque Labore Nihil" which translates to "Nothing Without Labour" in Latin.

[9] Dundonald High School is partnered with Presentation College Headford, in County Galway, Ireland.

[10] The school offers a wide range of subjects that include: English, mathematics, home economics, music, technology, art and design, French, Spanish, geography, history, OCN Well-being, Prince's Trust, learning for life and work, science, horticulture, business studies, physical education and information and communications technology.

These subjects (excluding compulsory English, maths and science) are made available to Key Stage 4 level students to choose from.

[18][19] UUP party leader Mike Nesbitt fought to keep Dundonald High School open.

[20] In 2014, Orangefield closed permanently, with the overwhelming decision in Stormont that Dundonald High School would remain open.

Students can earn points for their respective house based on strong attendance and valiant work efforts and contributions to the school.