For the first question regarding the system that Teachers at Southington High School support, the correct answer is:
Option B: Tracking
Tracking refers to the practice of placing students in different classes or educational paths based on their abilities or achievements, which aligns with the leveled classes mentioned (CP, CCP, H, AP).
For the second question about the definition of sorting, the correct answer is:
Option A: classifying students based on academic merit or potential.
Sorting involves categorizing students based on their skills, achievements, or potential, which fits this definition.