Teachers at a public high school stated that although anti-racism

IMO - E

Original Sentence:
Teachers at a public high school stated that although anti-racism workshops had been conducted with the student body, the incidence of racist remarks were still considerably high.

Sentence meaning:
Teacher at a public school stated that they had conducted (action completed) workshop to reduce students giving anti-racism remarks, even though, the racist remarks by students incidence were considerably high.

elimination process:
1. All though vs Even though
(Even though, although, though, inspite, despite, however, but) are all have similar meaning, and used to highlight the contrast meaning between the sentence.
but when we compare between Allthough and Even though,
Even though is used when best option case has implemented to obtain the result, which may result either yes or no, wherelse Allthough is generally of all the option available are under implementation and result are in sort of majority of or miniority of.
In short difference between although and even though is that even though often indicates a stronger and a more emphatic contrast
based on this all Although once's are eliminated,
2. Additional to this option A has SV error, (The incidence singular = were plural), C has verb error (present participle of be - "being"), and D with Tense error (are conducted)

remaining with B, and E

A. although anti-racism workshops had been conducted with the student body, the incidence of racist remarks were
C. although anti-racism workshops are being conducted with the student body, the incidence of racist remarks is
D. although anti-racism workshops are conducted with the student body, the incidence of racist remarks was



B. even though anti-racism workshops have been conducted with the student body, the incidence of racist remarks was
E. even though anti-racism workshops had been conducted with the student body, the incidence of racist remarks was

between: Have been and Had been
“Had been” is used to mean that something happened in the past and has already ended.
“Have been” and “has been” are used to mean that something began in the past and has lasted into the present time

Eliminates B, and E is the best Option