No _________________________________children who fail at school.

The phrase "No attention is paid to children who fail at school" effectively conveys that there is a lack of focus or concern regarding these children. This construction indicates that their struggles are overlooked, highlighting a critical social issue.

Using "attention" in this context emphasizes the idea that if no one is actively observing or caring about the students’ difficulties, they remain unsupported. This particular wording captures the passive state of neglect appropriately.

The other choices do not convey the same meaning effectively. For instance, while "one notices" hints at awareness, it does not imply the degree of neglect suggested by the original statement. "Care is given to" suggests that some support is provided, which contradicts the idea of abandonment. Similarly, "help is offered to" implies that assistance is available, which is also contrary to the notion of neglect in the context of failing children. Therefore, the phrasing with "attention" aligns perfectly with the intended message regarding the lack of concern for these students.