John Ehret High School
| Name | John Ehret High School |
| Grades | Class 09 to Class 12 |
| Address | 4300 Patriot St. |
| City | Marrero |
| School District | Jefferson Parish |
| County | Jefferson Parish |
| Zipcode | 70072-4394 |
| Phone No. | (504)340-7651 |
| State | Louisiana |
| Suburb | Large |
| Students | 1724 |
| Teachers | 72 |
| Student Teacher Ratio | 24 students per teacher |
| Charter School | No |
| Magnet School | No |
John Ehret High School is located at 4300 Patriot St. in Marrero city of Jefferson Parish county in Louisiana. This school comes under Jefferson Parish. You can call them at (504)340-7651 for more details. This is not a magnet school. Total one thousand seven hundred twenty four students from class 09 to class 12 study in this school who are taught by seventy two teachers. This is not a charter school. The student teacher ratio of this school is 24.