She successfully led the presidential campaign of Andrzej Duda, Law and Justice's nominee for President of Poland, to victory.

In June 2015, Szydło won internal endorsement to be her party's candidate for prime minister at the forthcoming parliamentary election.

[4] On 25 October, Law and Justice went on to win majority government for the first time in the country's history; Szydło was duly appointed Prime Minister on 16 November by President Duda.

[6] In December 2017, she was forced to resign as prime minister after Jarosław Kaczyński, the Chairman of Law and Justice, withdrew confidence from her to continue as the party's lead election candidate within the Sejm.

New Conservatives Defunct Historical Szydło was elected Mayor of Gmina Brzeszcze at the age of 35, holding this position for seven years.

[11] During her campaign, along with locals she helped renovate the school in a small town of Pcim, which lost its roof in a storm.

[12] In September 2005, she was elected to the Sejm, the lower house of the Parliament of the Republic of Poland receiving 14,499 votes in 12 Chrzanów district, as a candidate of the conservative Law and Justice party.

[13] At the October 2015 election, Law and Justice won a decisive victory, becoming the first Polish party to win an outright majority since the end of Communism.

One of the biggest controversies during her administration, the Polish Constitutional Court crisis, 2015 was officially criticized by the European Parliament, which, on 13 April 2016, passed a resolution declaring that the Parliament "is seriously concerned that the effective paralysis of the Constitutional Tribunal in Poland endangers democracy, human rights and the rule of law".

[19] Szydło's government was strongly opposed to the UK's effort to stop EU immigrants claiming in-work benefits for four years if they moved to Britain.

Her Audi limousine swerved and hit a tree to avoid a small Fiat whose driver was later charged with involuntary violation of traffic safety.