This page provides information about what to do if you suspect a fellow Leiden University student or staff member of violating the principles of academic integrity.

The academic year officially commences on 1 September and ends on 31 August. Take a look how the year is organised and on which days the university is closed.

You are a part of our academic community. Here at Leiden University, we pride ourselves on our motto Praesidium Libertatis – bastion of freedom – and cherish the tradition of academic freedom.

Find out how to access your personal timetable, the dates of the academic year, and when Leiden University is closed for public holidays.

What does academic freedom mean? And how do we give shape to it in Leiden? The Academic Freedom Core Team considered these questions and presented its final report on 17 June.

As a result of the current corona measures, attendance at the Opening of the Academic Year on 6 September will be restricted to a maximum of 75 persons. The ceremony can, however, be viewed online by taking part in a video wall.

Academics regularly face threats, intimidation and abuse. The Universities of the Netherlands (UNL), the Dutch Research Council (NWO) and the Royal Netherlands Academy of Arts and Sciences (KNAW) therefore launched the WetenschapVeilig platform on 7 November 2022.

Between November 2022 and December 2023, 45 one-off and 14 structural security measures were taken for academics or university staff. This is what it says in the External Intimidation, Hatred and Threats against Academics Monitor published by the Universities of the Netherlands (UNL), the Dutch Research…

Academics from Leiden University have started a campaign against cuts at universities.

The academic year has officially begun! Hundreds of colleagues and students came together on 6 September to see each other again after the quiet summer months. A truly festive gathering, with live music and an evening lecture by Ignas Snellen.

When you think of a library, you probably picture books – or students quietly studying. But for subject librarian Rutger de Jong, most of the work happens online. ‘We never throw anything away. Everything produced here in the name of science should remain findable.’

On Tuesday 25 November, Leiden University is holding the first of four sessions on ‘Building Academic Freedom’. Students and staff are invited to a conversation about today’s hot-button issues.

Academics are increasingly facing threats, harassment and hate speech following public appearances. The Dutch universities – united in the Association of Universities in the Netherlands (VSNU) – is now adopting a number of national measures, from a zero-tolerance policty to psychosocial help for vic…

Social

Het strategisch plan van de faculteit wiskunde en natuurwetenschappen (FWN) werd gepresenteerd tijdens de opening van het academisch jaar 2023-2024.

The opening of the new academic year highlighted students' and lecturers' personal motivators. Incoming students were encouraged to be bold, forge their own paths and grow by trial and error.

Without academic freedom, we might not have antibiotics, nor a deep understanding of human behaviour. Literary criticism, climate models, and ecological restoration would be severely limited; just like ethical reflection on artificial intelligence, justice, trauma, parenting, faith and hope. All these…

Nadia Bouras will give the Annie Romein-Verschoor Lecture on 6 March. She will call for academic freedom for everyone.

The annual conference of the Global Transformations and Governance Challenges (GTGC) interdisciplinary research programme will take place in The Hague on 7-9 June. As a researcher at Leiden University, why should you be there? ‘Nearly every research study has a governance dimension, but academics often…

Students at research universities and universities of applied sciences are positive about their lecturers’ expertise and the atmosphere within their programmes. Almost one-third report experiencing excessive academic pressure. These are the findings of the 2026 National Student Survey.

Leiden artist Jos Agasi gets to create the artwork for the atrium of the new Gorlaeus Building. His work was chosen from several entries and will be a real eye-catcher in the building. The artist has a fascination for light and uses it to create works of art with all kinds of materials, objects and…

The Faculty of Science launched the new Academic Year on 21 September with a special We Are Science talk show. Dean Paul Wouters starred in his role as talk show host and received a wide variety of guests.

Leiden University has had a turbulent week. There have been protests inside and outside our buildings that have evoked reactions, and students and staff have felt unsafe. We want with this message to look back at the past week and look forward to the future. What happened and how do we now want to move…

Study support

Debate

Course

Study support

Study support

In a supplementary decision on 17 May 2022, the Executive Board of Leiden University has concluded that it will publish the titles of seven articles in which there is evidence of malpractice. This concerns a former staff member of the Institute of Psychology. The Executive Board considers it to be in…

Connecting as the magic word. Seeking new collaborations, presenting ourselves to the outside world with an open attitude and showing what we do. During the opening of the academic year on Tuesday afternoon, Dean Jasper Knoester emphasised that change and connection are necessary for the university…

Academic ceremony

Study support, Study support