Which best revises sentence 6 to create a more appropriate and respectful tone? although many still claim that evidence about year-round school and its link to higher achievement is inconclusive, studies consistently reveal that year-round students score higher on certain assessments than those students who attend schools with traditional nine-month calendars. Although many still claim that evidence about year-round school and its link to higher achievement is inconclusive, this theory is wrong because students in year-round schools consistently score higher on certain assessments than those students who attend schools with traditional nine-month calendars. Although many still claim that evidence about year-round school and its link to higher achievement is inconclusive, they would admit defeat if only they would do their research and find that students in year-round schools consistently score higher on certain assessments than those students who attend schools with traditional nine-month calendars. Although many still claim that evidence about year-round school and its link to higher achievement is inconclusive, these people need to study their facts and acknowledge that students in year-round schools consistently score higher on certain assessments than those students who attend schools with traditional nine-month calendars.