Information: - Avondale Grammar School ( AGS ) is a co-educational , international school located in Tanglin . AGS offers classes from Preschool to year 8 based on the Australian curriculum . - Singapore, officially the Republic of Singapore, and often referred to as the "Lion City" or the "Little Red Dot", is a sovereign city-state in Southeast Asia, and the world's only island city-state. It lies one degree (137km) north of the equator, south of the southernmost tip of continental Asia and peninsular Malaysia, with Indonesia's Riau Islands to the south. Singapore's territory consists of a diamond-shaped main island along with 62 other islets. Since independence, extensive land reclamation has increased its total size by 23% (130km), and its greening policy has covered the densely populated island with tropical flora, parks and gardens. - Bukit Merah, also abbreviated as either Bt Merah or BM, is a planning area and residential town situated in the southernmost part of the Central Region of Singapore. The planning area borders Tanglin to the north, Queenstown to the west and the Downtown Core, Outram and Singapore River planning areas of the Central Area to the east. Bukit Merah also shares a maritime boundary with the Southern Islands planning area located beyond its southernmost point. - Bukit Timah, often abbreviated as Bt Timah, is a planning area and residential estate located in the Central Region of Singapore. Bukit Timah lies roughly from the Central Business District, bordering the Central Water Catchment to the north, Bukit Panjang to the northwest, Queenstown to the south, Tanglin to the southeast, Clementi to the southwest, Novena to the east and Bukit Batok to the west. - The Singapore River is a river in Singapore that flows from the Central Area, which lies in the Central Region in the southern part of Singapore before emptying into the ocean. The immediate upper watershed of the Singapore River is known as the Singapore River Planning Area, although the northernmost part of the watershed is classified under River Valley planning area. - Tanglin is a planning area located within the Central Region of Singapore. Tanglin is located west of Newton, Orchard, River Valley and Singapore River, south of Novena, east of Bukit Timah, northeast of Queenstown and north of Bukit Merah. What is the relationship between 'avondale grammar school singapore' and 'singapore'?
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