The student (name withheld) showed symptoms of the viral disease over the weekend, forcing authorities to run tests on her samples on Monday.
She was subsequently quarantined.
The samples came out positive on Tuesday.
Staff and student have been tight-lipped about the incident.
Since senior high schools reopened on Monday, June 22, a few schools have reported cases of the disease.
At Accra Girls’ SHS, six students and two staff have been confirmed positive and are already receiving treatment.
Other schools like Mpraeso SHS are awaiting results of samples taken from quarantined students.