Please assess the completion status of the following clinical trial:

Trial Title: Lab School Day Study for CONCERTA of Older Children With ADHD

Study Design Characteristics:
- Allocation: RANDOMIZED
- Intervention Model: CROSSOVER
- Observational Model: None
- Primary Purpose: TREATMENT
- Time Perspective: None
- Masking: DOUBLE
- Phase: PHASE4
- Number of Arms: 2.0

Eligibility Criteria:
Inclusion Criteria:~* ADHD diagnosis of all subtypes (except Not Otherwise Specified)~* Patients with total or subscale Attention Deficit Hyperactivity Disorder Rating Scale (ADHD RS-IV) scores \> =90th percentile relative to the general population of children by age and gender~* Patients currently receiving ADHD medication must be inadequately managed on their current stimulant dose and meet this criteria at the screening visit~* Ability to read and understand English~* Ability to attend school regularly.~Exclusion Criteria:~* Estimated Full Scale IQ score of 80 or below~* Severe Learning Disability~* History of, or current, primary diagnosis of: severe anxiety disorder, conduct disorder, psychotic disorders, pervasive developmental disorder, eating disorder, obsessive-compulsive disorder, sleep disorder, major depressive disorder, bipolar disorder, substance use disorder, chronic tic disorder, personal or family history of Tourette's syndrome~* Weight \< 3rd percentile for age~* History of hospitalization for treatment of a mood, anxiety, or psychotic disorder~* History of failed response to methylphenidate.

- Gender: ALL
- Minimum Age: 9 Years
- Maximum Age: 12 Years
- Healthy Volunteers: f

Study Arms:
- 1 (Type: EXPERIMENTAL): CONCERTA (methylphenidate HCl) / Placebo Optimal Subject Dose (18 mg-54 mg) once daily during Lab School Day #1 and Placebo once daily on Lab School Day #2
- 2 (Type: EXPERIMENTAL): Placebo/ CONCERTA (methylphenidate HCl) Placebo once daily on Lab School Day #1 and Optimal Subject Dose (18 mg-54 mg) once daily during Lab School Day #2

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