We are just two years short of the 100th anniversary of the ratification of the 19th Amendment that gave women the Constitutional right to vote. Given the current flood of women running for office in 2018, it's probably not too early to begin looking for teaching resources on the themes of woman suffrage and political participation.
A good place to start is the excellent collection of articles already curated for teachers in the Chronicling America link (orange line) below.
https://www.loc.gov/rr/news/topics/images/nineteenth1.jpg
3 - 5 6 - 8 9 - 12 Social Studies/History woman suffrage 19th Amendment Chronicling America