This is the 9105th most frequent Russian word.
салтыковской
"Салтыковской" is a possessive adjective referring to something related to "Салтыков," likely a surname.
"Салтыковской" is used as an adjective form referring to a specific street name.
Мы гуляли по улице Салтыковской.
We walked along Saltikovskaya Street.
"Салтыковской" indicates the location related to the specific street.
Ее семья живет в доме на Салтыковской.
Her family lives in a house on Saltikovskaya Street.
"Салтыковской" describes the association with a school named after "Салтыков".