- The school converted to academy status in June 2017 and has now established its multi-academy trust, the Areté Trust, calling for other schools to join it.
- It was the first school in Kent to be designated as a science specialist school, in 2003, and now also has specialisms in maths and IT.
- Philanthropic events are a key part of life at DGSG, with recent fundraisers including a sixth-form fashion show for the Sickle Cell Society and a bake sale for the Red Cross in Gaza.
- The school is the home of “Thinking Hard”, a national programme developed and showcased though the PiXL Club Partnership to challenge learners in the classroom, based on high-impact learning strategies.
- Sixth-form students are encouraged to develop and lead their own societies and enrichment clubs, including those for the lower school.
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