(a)  To ensure that each student achieves at least
satisfactory performance on each assessment instrument
administered under Section 39.023, a [A] school district shall
ensure that the district's curricular and instructional systems
provide instruction to all students that:
             (1)  is consistently aligned with the essential
knowledge and skills for the applicable subject area and grade
level; and
             (2)  strategically and timely addresses deficiencies
in the prerequisite essential knowledge and skills for the
applicable subject area and grade level [establish an accelerated
learning committee described by Subsection (c) for each student who
does not perform satisfactorily on:
             [(1)  the third grade mathematics or reading assessment
instrument under Section 39.023;
             [(2)  the fifth grade mathematics or reading assessment
instrument under Section 39.023; or
             [(3)  the eighth grade mathematics or reading
assessment instrument under Section 39.023].
       (a-1)  Each time a student fails to perform satisfactorily on
an assessment instrument administered under Section 39.023(a) or
(l) in the third, fourth, fifth, sixth, seventh, or eighth grade or
an end-of-course assessment instrument administered under Section
39.023(c), other than an assessment instrument developed or adopted
based on alternative academic achievement standards, the school
district in which the student attends school shall provide to the
student accelerated instruction in the applicable subject area
during the subsequent summer or school year and, subject to
Subsection (a-7), either:
             (1)  allow the student to be assigned a classroom
teacher who is certified as a master, exemplary, or recognized
teacher under Section 21.3521 for the subsequent school year in the
applicable subject area; or
             (2)  provide the student supplemental instruction
under Subsection (a-4).
       (a-4)  If a district receives funding under Section 29.0881
or 48.104, the Coronavirus Response and Relief Supplemental
Appropriations Act, 2021 (Div. M, Pub. L. No. 116-260), or the
American Rescue Plan Act of 2021 (Pub. L. No. 117-2), then
supplemental instruction provided by a school district under
Subsection (a-1)(2) must:
             (1)  include targeted instruction in the essential
knowledge and skills for the applicable grade levels and subject
area;
             (2)  be provided in addition to instruction normally
provided to students in the grade level in which the student is
enrolled;
             (3)  be provided [for no less than 30 total hours]
during the subsequent summer or school year:
                   (A)  to each student for no less than:
                         (i)  15 hours; or
                         (ii)  30 hours for a student whose