My Scholar work had challenges of incomplete forms, and indeed had to followup with the school stakeholders intensely. Initially although I was dejected at times, it helped me overcome the same over a period of time.

So how do we do this :

The researcher must seek help from schools and Schools can improve data completeness by designing surveys with prompts or follow-ups and clearly explaining the importance of each question to respondents, which can increase response rates and reduce gaps in data