A public school shall establish a system of learning supports while operating under a virtual education plan by: Establishing a virtual tutoring system; or Providing instructional time for virtual learning that is in addition to the daily and hourly attendance requirements under § 7–103 of this title; and Developing a plan to focus on students with the greatest need and the most learning loss, including: Students with disabilities; and Students in historically underserved groups, including: English language learners; and Students eligible for aid. In satisfying its duties under this subsection, a public school may not require staff members whose terms of employment are subject to a collective bargaining agreement to work in excess of negotiated terms on work hours. In compliance with public health guidance, a county board that has public schools operating under a virtual education plan shall establish learning centers in suitable unoccupied buildings, including State buildings that are not in use. If funding is available during the prolonged school closure, a county board shall establish additional learning centers prioritizing: Community schools eligible for concentration of poverty grants under § 5–223 of this article; and Areas with high levels of absenteeism during the prolonged school closure; or If the data under item 1 of this item is unavailable, areas with high levels of absenteeism during the previous school year.