Sen. Elizabeth Warren Elizabeth WarrenDimon: Wealth tax 'almost impossible to do' CNN's Don Lemon: 'Blow up the entire system' remark taken out of context Democrats shoot down talk of expanding Supreme Court MORE (D-Mass.) on Thursday congratulated her former student from Harvard Law School upon her successful election to Congress in California.

Warren tweeted her congratulations Thursday evening to Katie Porter, a Democratic candidate for the House in California's 45th district whose election was called Thursday following more than a week of counting votes.

"I’m proud of all of our incredible incoming Democratic House members, but I’m ESPECIALLY proud of our newest: my former student & research partner @katieporteroc!" Warren wrote in a tweet.

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"WOO-HOO! You’re going to be an AMAZING fighter for families in CA & across the country, Congresswoman-elect Porter," the senator added.

I’m proud of all of our incredible incoming Democratic House members, but I’m ESPECIALLY proud of our newest: my former student & research partner @katieporteroc! WOO-HOO! You’re going to be an AMAZING fighter for families in CA & across the country, Congresswoman-elect Porter. pic.twitter.com/ookEPpOqgF — Elizabeth Warren (@elizabethforma) November 16, 2018

Porter defeated GOP Rep. Mimi Walters Marian (Mimi) Elaine WaltersFormer GOP Rep. Walters joins energy company GOP plots comeback in Orange County Crazy California an outlier? No, we are the canary in the coal mine MORE (Calif.) on Thursday to become the latest Democrat to unseat a sitting GOP incumbent in the 2018 midterm cycle as the party saw dozens of House seats gained from Republicans in last week's elections.

The close race in California's southern coastal county ended Thursday night with Porter capturing the once-GOP stronghold that previously was home to former President Richard Nixon.

Porter is not the first of Warren's former student's to be elected to Congress. Sen. Tom Cotton Tom Bryant CottonGOP brushes back charges of hypocrisy in Supreme Court fight Trump uses bin Laden raid to attack Biden Battle lines drawn on precedent in Supreme Court fight MORE (R-Ark.) revealed on MSNBC in 2013 that he was once a student in Warren's contract law class at Harvard, and fellow Massachusetts lawmaker Rep. Joe Kennedy Joseph (Joe) Patrick KennedyDemocrats see fundraising spike following Ginsburg death Massachusetts town clerk resigns after delays to primary vote count Bogeymen of the far left deserve a place in any Biden administration MORE (D) is a former student of Warren's as well.