According to our records, this business is located at 210 Bellefonte Ave. in Wilmington (in New Castle County), Delaware 19809, the location GPS coordinates are: 39.7689354 (latitude), -75.5022806 (longitude). St Helena School is categorized under Private Junior High School (SIC code 8211). Known organization principal is Sister Andrea. Current estimates show that the unit has a sales volume of $370,000 and staff of approximately 20 people. You can contact the company by phone at (302) 762-5595.