Please assess the completion status of the following clinical trial:

Trial Title: Trial Study of an Exercise Program for Youth With Persistent Symptoms After Concussion

Study Design Characteristics:
- Allocation: RANDOMIZED
- Intervention Model: PARALLEL
- Observational Model: None
- Primary Purpose: TREATMENT
- Time Perspective: None
- Masking: SINGLE
- Phase: None
- Number of Arms: 2.0

Eligibility Criteria:
Inclusion Criteria:~* confirmed diagnosis of concussion~* have at least one post-concussion symptom (as measured by the Post Concussion Symptom Inventory)~* are at least 4 weeks post injury~* between the ages of 10 and 18 years~* ability to speak English~* ability to demonstrate capacity to consent to study~Exclusion Criteria:~* prior moderate or severe brain injury~* neck pain/dysfunction or oculormotor/vestibular dysfunction, developmental delays, mental health disorders or chronic pain conditions that prevent participation in active rehabilitation, assessment of gait and balance, or participation in cognitive testing~* participating in any other physical rehabilitation interventions for post-concussion symptoms (e.g., physiotherapy, massage therapy, chiropractic) at time of enrollment and throughout the duration of the study

- Gender: ALL
- Minimum Age: 10 Years
- Maximum Age: 18 Years
- Healthy Volunteers: f

Study Arms:
- Active Rehabilitation (Type: EXPERIMENTAL): Active Rehabilitation Intervention and Comprehensive Education Intervention (Standard Care)
- Comprehensive Education Intervention (Type: ACTIVE_COMPARATOR): Comprehensive Education Intervention (Standard Care) only

Based on this trial design, predict the completion outcome and termination type (if applicable).