St. David's High School or similar may refer to:
United States St. David High School (Arizona) in St. David, Arizona St. David High School, a component of St. David's School
United Kingdom St. David's RC High School, Dalkeith, Midlothian, Scotland St. David's High School, Saltney
Elsewhere SMK Tinggi St David (also known as St. David's High School), Malacca, Malaysia
See also St. David School (disambiguation) St. David's School (disambiguation) St David's College (disambiguation)