GMG Secondary School
| Name | GMG Secondary School |
| Grades | Class 07 to Class 12 |
| Address | 306 Park Street |
| City | Garwin |
| School District | GMG Comm School District |
| County | Tama County |
| Zipcode | 50632-9730 |
| Phone No. | (641)499-2005 |
| State | Iowa |
| Rural | Distant |
| Students | 224 |
| Teachers | 19 |
| Student Teacher Ratio | 11.8 students per teacher |
| Charter School | No |
| Magnet School | N/A |
GMG Secondary School is located at 306 Park Street in Garwin city of Tama County county in Iowa. This school comes under GMG Comm School District. You can call them at (641)499-2005 for more details. This is not a magnet school. Total two hundred twenty four students from class 07 to class 12 study in this school who are taught by nineteen teachers. This is not a charter school. The student teacher ratio of this school is 11.8.