I strongly oppose the proposed "Model Policies for the Treatment of Transgender Students in Virginia’s Public Schools". All the research shows that youth are much more likely to attempt suicide if they are not allowed the basic freedom of living their own identity (https://journals.sagepub.com/doi/10.1177/0886260520915554; https://www.thetrevorproject.org/survey-2022/#challenges ; https://www.thetrevorproject.org/survey-2020/?section=Suicide-Mental-Health). Restrictions (such as lack of choice in pronoun use, lack of ability to use restrooms according to gender identity, etc.) only make them see certain identities as hateful. In other words, such restrictions teach them to hate others and hate themselves. Parents might not know about the research showing that, biologically, humans can have a range of identities (https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6677266/) and consequently those parents might believe that it's appropriate to impose restrictions on their children, but neither they nor the state can impose such restrictions on the schools, where such policies harm not only their own children, but the whole community.
In contrast, when youth live in a largely accepting community that tolerates a range of identities, the whole community benefits. Accepted youth are happier youth, and happier youth contribute more to their communities.
The proposed guidance talks a lot about beliefs, but this matter is not about beliefs: scientific research shows the danger of imposing identities on individuals and the natural occurence of a range of identities (see links above). If individual parents think that their religious beliefs are more important than what the science shows, they have the 14th-Amendment freedom to send their children to religious schools. If individual teachers or staff have a problem with accepting the science and using pronouns in accordance with a student's request, then they can take their 1st-Amendment speech to a different job. The government is not acting unconstitutionally when it keeps church and state separate. Public schools simply cannot be limited by religious beliefs that are in opposition to scientific fact or to basic human kindness.