Carlos Montenegro is not mentioned in the provided text about Colégio Pedro II.
The provided text details the history and notable individuals associated with Colégio Pedro II, a federal public school in Rio de Janeiro, Brazil. Established on December 2, 1837, and named after Emperor Pedro II, the institution has a lineage tracing back to the Saint Peter Orphans' School founded in 1739. The school was created as part of a national unity initiative under the Brazilian monarchy and is constitutionally mandated to remain under federal jurisdiction. The article lists numerous prominent figures who served as faculty or alumni, including poets, writers, presidents of Brazil, academics, and cultural figures. However, the name Carlos Montenegro does not appear within this information.