Laura Blajman-Kadar was at the Nova music festival on the day of the massacre and managed to hide with her husband and seven friends as they heard gunshots and killing all around them.
The Wall of the Righteous and other sites in the neighborhood were defaced by hooded individuals, according to the Holocaust memorial foundation.
The orchestrated attack, which comes amid rising drug-linked violence across Europe, took place around 0900 GMT at a toll booth in Incarville in the Eure region of northern France.
The elite political sciences university this week became the center of a wave of protests at several schools in France over the war and academic ties with Israel.
"The last ties that should be severed are the ones between universities," said Arancha Gonzalez, who heads Science Po's School of International Affairs.
France's foreign minister continues diplomatic efforts for a truce in the Israel-Hamas conflict, seeking release of hostages, coordinating with Egypt.
Science Po's interim director, Jean Basseres, condemned the blockade of the building in a letter to teachers.
A 32-year-old in France faces charges of religiously-motivated death threats and narcotics use, alongside allegations of rape.
Iran must be held accountable for its exceptional attack. The Israeli response, immediate but also intended to have a lasting impact, was based on Iran's intention to cause destruction.
French police arrested a man who had threatened to blow himself up at Iran's consulate in Paris after carrying explosives into the building.