Centennial High School
| Name | Centennial High School |
| Grades | Class 09 to Class 12 |
| Address | 4300 Centennial Ln |
| City | Ellicott City |
| School District | Howard County Public Schools |
| County | Howard County |
| Zipcode | 21042-6214 |
| Phone No. | (410)313-2856 |
| State | Maryland |
| Rural | Fringe |
| Students | 1467 |
| Teachers | 88 |
| Student Teacher Ratio | 16.7 students per teacher |
| Charter School | No |
| Magnet School | No |
Centennial High School is located at 4300 Centennial Ln in Ellicott City city of Howard County county in Maryland. This school comes under Howard County Public Schools. You can call them at (410)313-2856 for more details. This is not a magnet school. Total one thousand four hundred sixty seven students from class 09 to class 12 study in this school who are taught by eighty eight teachers. This is not a charter school. The student teacher ratio of this school is 16.7.