Council of International Schools

Groenoordhallen (English: Groenoord Halls) was a building located in Leiden, Netherlands. It was used for concerts and conventions, but one of its main sources of revenue was the cattle market. The closure of that market in 2005 led to its demise. In 2010, the building was demolished; homes and offices are to be built in its place, with bricks and other elements retained from the original structure. Groenoordhallen has hosted artists such as Queen, Def Leppard, Kiss, The Police and U2.

De Valk is a tower mill and museum in Leiden, Netherlands. The current tower mill is the third mill built at this location. In 1611 the post mill "De Valck" was built, and in 1667 it was replaced by a wooden post mill. In 1743 a higher tower mill was built. De Valk originally was equipped with six mill stones. There were two dwellings in the mill, originally for the two owners, later for the miller and his assistant. In June 1966 the mill became a municipal museum. In 2000, the De Valk mill became operationally functional again and has been used for milling.

Museum De Lakenhal is the city museum of fine art and history in Leiden, Netherlands. One highlight is its collection of fijnschilder paintings from the Dutch Golden Age. Just like the city, the museum combines a classical appearance with a contemporary character. The broad collection ranges from early works by Rembrandt van Rijn and Lucas van Leyden's Last Judgement to modern classics of De Stijl and artworks created by contemporary artists such as Claudy Jongstra, Atelier van Lieshout and many others.

Leiden (Dutch: [ˈlɛidə(n)] (listen); in English and archaic Dutch also Leyden) is a city and municipality in the province of South Holland, Netherlands. The municipality of Leiden has a population of 119,713, but the city forms one densely connected agglomeration with its suburbs Oegstgeest, Leiderdorp, Voorschoten and Zoeterwoude with 206,647 inhabitants. The Netherlands Central Bureau of Statistics (CBS) further includes Katwijk in the agglomeration which makes the total population of the Leiden urban agglomeration 270,879, and in the larger Leiden urban area also Teylingen, Noordwijk, and Noordwijkerhout are included with in total 348,868 inhabitants. Leiden is located on the Oude Rijn, at a distance of some 20 kilometres (12 miles) from The Hague to its south and some 40 km (25 mi) from Amsterdam to its north. The recreational area of the Kaag Lakes (Kagerplassen) lies just to the northeast of Leiden. A university city since 1575, Leiden has been one of Europe's most prominent scientific centres for more than four centuries. Leiden is a typical university city, university buildings are scattered throughout the city and the many students from all over the world give the city a bustling, vivid and international atmosphere. Many important scientific discoveries have been made here, giving rise to Leiden's motto: ‘City of Discoveries’. The city houses Leiden University, the oldest university of the Netherlands, and Leiden University Medical Center. Leiden University is one of Europe's top universities, with thirteen Nobel Prize winners. It is a member of the League of European Research Universities and positioned highly in all international academic rankings. It is twinned with Oxford, the location of the United Kingdom's oldest university. Leiden University and Leiden University of Applied Sciences (Leidse Hogeschool) together have around 35,000 students. Modern scientific medical research and teaching started in the early 18th century in Leiden with Boerhaave. Leiden is a city with a rich cultural heritage, not only in science, but also in the arts. One of the world's most famous painters, Rembrandt, was born and educated in Leiden. Other famous Leiden painters include Lucas van Leyden, Jan van Goyen and Jan Steen.

IKEA (Swedish: [ɪˈkêːa]) is a Swedish-founded, Dutch-headquartered multinational conglomerate that designs and sells ready-to-assemble furniture, kitchen appliances and home accessories, among other goods and home services. Started in Sweden in 1943 by 17-year-old Ingvar Kamprad, IKEA has been the world's largest furniture retailer since 2008. The brand used by the group is an acronym that consists of the founder's initials, and those of Elmtaryd, the family farm where he was born, and the nearby village Agunnaryd (his hometown in Småland, southern Sweden).The group is known for its modernist designs for various types of appliances and furniture, and its interior design work is often associated with an eco-friendly simplicity. In addition, the firm is known for its attention to cost control, operational details, and continuous product development that has allowed IKEA to lower its prices by an average of two to three percent. INGKA Holding B.V., based in the Netherlands, owns the Ingka Group, which takes care of the centers, retails, customer fulfillment, and all the other services related to IKEA products. At the same time, the IKEA brand is owned and managed by Inter IKEA Systems B.V., based in the Netherlands, owned by Inter IKEA Holding B.V. Inter IKEA Holding is also in charge of design, manufacturing and supply of IKEA products. Ingka Group is a franchisee that pays 3% of royalties to Inter IKEA Systems. As of March 2021, there are 422 IKEA stores operating in 50 countries and in fiscal year 2018, €38.8 billion (US$44.6 billion) worth of IKEA goods were sold. All IKEA stores are operated under franchise from Inter IKEA Systems B.V., most of which are operated by Ingka Group; some of them are operated by other independent owners.The IKEA website contains about 12,000 products and there were over 2.1 billion visitors to IKEA's websites in the year from September 2015 to August 2016. The group is responsible for approximately 1% of world commercial-product wood consumption, making it one of the largest users of wood in the retail sector.

Leiden Centraal is the main railway station in Leiden, a city in the Netherlands.

Rijksmuseum Boerhaave is a museum of the history of science and medicine, based in Leiden, Netherlands. The museum hosts a collection of historical scientific instruments from all disciplines, but mainly from medicine, physics, and astronomy. The museum is located in a building that was originally a convent in central Leiden. It includes a reconstructed traditional anatomical theatre. It also has many galleries that include the apparatus with which Heike Kamerlingh Onnes first liquefied helium (in Leiden), the electromagnet equipment used by Wander Johannes de Haas (a Leiden physicist) for his low-temperature research, and an example of the Leiden jar, among many other objects in the extensive collection. The museum is named after Herman Boerhaave, a Dutch physician and botanist who was famous in Europe for his teaching at Leiden and lived to a great age, receiving brilliant students from all over Europe, including Peter the Great, Voltaire and Linnaeus.

The Vrouwekerk ("Lady's Church") or Vrouwenkerk ("Ladies' Church"), originally known as the Onze-Lieve-Vrouwekerk ("Church of Our Lady"), was a 14th-Century church in the Dutch city of Leiden. In the early 17th Century, the church was attended by the Pilgrims (who left Leiden to settle in Plymouth Colony) as well as by the first colonists to settle on Manhattan.The ruined remains of this Gothic church are located on the Vrouwenkerkhof square opposite Museum Boerhaave, just north of the busy shopping street Haarlemmerstraat. The alley Vrouwenkerksteeg, which runs from the Haarlemmerstraat to the Vrouwenkerkhof, is also named after the Vrouwekerk church. The church remains have rijksmonument (national monument) status. In 2008-2009 the church underwent restoration. Carolus Clusius and Joseph Justus Scaliger were buried in the Vrouwekerk.

Oudt Leyden is a restaurant in Leiden in the Netherlands. It is a fine dining restaurant turned pancake-restaurant, that was awarded one Michelin star in 1957 and retained that rating from 1957 to 1979. It was again awarded a Michelin star in 1985 and retained that rating until 1989.Oudt Leyden is one of the founders of Alliance Gastronomique Neerlandaise. In 1967, owner was S.M. Borgerding.

The Leidse Hout (English: Leiden Woods) is a public urban park in Leiden, Netherlands. It is located between the border of Oegstgeest, approximately 1.5 kilometers northwest of the Leiden city center, and on the northern border of the Leiden Diaconessenhuis hospital. The park was opened on June 30, 1931 and was the product of a governmental program that provided work for the unemployed during the Great Depression. A tea house, deer park, and a music pavilion is incorporated into the park. Additionally, there is an adjacent sports park with tennis courts, soccer fields, a track, and a softball field.

The Leiden Weigh House (De Waag in Dutch) is a Rijksmonument located on Aalmarkt street (nr. 21). It was designed by Pieter Post around 1657 and opened in 1659. For centuries, merchants came here to weigh and trade a variety of goods. In addition to being a weigh house, the Leiden Weigh House has hosted a variety of engagements and stately celebrations over the centuries. Notably, Govert Bidloo converted an attic room into an autopsy room to study the human body.The weigh house was in use as an actual weigh house until 1972, when the last unit of cheese was sold. Nowadays, the building serves as a cultural monument, houses a bar and restaurant.

The Gemeenlandshuis van Rijnland on the Breestraat in Leiden is the oldest Gemeenlandshuis of the Netherlands that kept its function until the current century. Currently, it is still in use by the Hoogheemraadschap van Rijnland, but only for meetings and special occasions. Their day-to-day seat of water management is housed today on the Archimedesweg in Leiden.