Since this is a 7-12 school, my assumption is that the FL program is coordinated and that it goes like this:
7th grade: spanish 1a OR remedial reading
8th grade: Spanish 1b OR remedial reading/writing
9th grade: Spanish 2 OR 1a OR another foreign language (French/Latin/Italian/Hebrew/Chinese…)1
10th: Spanish 3 OR 1b or Other FL 2
11th: SPanish 4 OR AP Language or 2 OR other FL 3
12th: Spanish AP Lang or Lit or 3 or other FL 4
1a/1b is slow paced, which would indicate the existence of a normal paced class in parrallel to the slow paced version. I don’t know of any school where the “remedial” version is the only version.