In many settings, yes, children may be able to report concerns anonymously. Some schools, hotlines, and online reporting tools allow anonymous reports, and in some cases it is also possible to report anonymously to the police.
Anonymous reporting can be a helpful first step for children who want help but are afraid to be identified. However, it is important to understand that if your child needs direct support or protection, they may eventually need to share who they are so adults can respond effectively and provide help.