Madison Country Day School is a nonsectarian, private day school in Dane County, Wisconsin for grades PreK through 12.
 The school has an enrollment of about 400 students.
 It is accredited by the Independent Schools Association of the Central States (ISACS), and is a member of the National Association of Independent Schools (NAIS).
 It is an International Baccalaureate (IB) World School that offers the IB Diploma Program to high school students.
 Madison Country Day School is informally known as "MCDS", and "Country Day".
Grace Church School is a private school whose original building is located at 86 Fourth Avenue between East 10th and East 12th Streets in the East Village neighborhood of the borough of Manhattan in New York City.
 The school was founded in 1894 by the Grace Church as the first choir boarding school in New York City.
 The private day school, which much resembles the school today, began in 1934.
 Grace Church School's High School Division opened in 2012 and is located at 46 Cooper Square.
 In the 2015-16 school year, the school opened for the first time as a Junior Kindergarten through 12th grade program.
Renbrook School is an independent, private day school in West Hartford, Connecticut Renbrook School prepares your Preschool to Grade 8 child for success at secondary school and beyond.
 Founded in 1935, Renbrook is an independent day school for students in two divisions, Lower School for preschool-grade 5 and Upper School for grades 6-8.
 With about 200 students in each of the Lower and Upper Schools, class sizes of 10–15 are typical.
 The building where it is located was the house of Frederick Rentschler.
The Hebrew Academy of Cleveland is a private day school offering over 1,000 students a Judaic and secular education from pre-school through high school.
 It is located in Cleveland, Ohio.
 The Hebrew Academy was established in 1943 by the Telz Yeshiva.
 It was the first Jewish day school founded off the east coast.
 In 1947, Yavne – a girls division – was added.
Saint John XXIII College Preparatory, formerly Pope John XXIII High School, is a Catholic independent, non-profit, coeducational, private day school in unincorporated Harris County, Texas, United States, near Katy.
 The school serves grades 9-12.
 The academic year consists of two semesters extending from approximately August to December and January to May.
 Student leadership development through the Works of Ministries program is a distinct characteristic of the school, and leadership principles are integrated into every course at Saint John XXIII.
 'SJ' is accredited by/a member of the Roman Catholic Archdiocese of Galveston-Houston (RCAGH), led by Archbishop Daniel DiNardo.
 SJ is also the newest private day school in the Katy area for over fifty years, effective 2004.
 It is located at 1800 West Grand Parkway North.
Charles John Godfrey Saunders (1884 – 16 October 1973) was the Bishop of Lucknow from 1928 until 1938.
 He was born in 1884 and educated at Merchant Taylors' School and St John’s College, Oxford.
 Ordained in 1912 he emigrated to India where he worked as a missionary with the SPG.
 From 1921 to 1925 he was Staff Chaplain at the headquarters of the Indian Army followed by another three years in a similar post serving the Metropolitan of Calcutta before his elevation to the Episcopate.
 On returning to England he was Vicar of Uckfield, and an Assistant Bishop within the Chichester Diocese.
 His last post was an honorary one in retirement at Bristol where he died on 16 October 1973.
Merchant Taylors' School (MTS) is a British independent private day school for boys, originally located in the City of London.
 Since 1933 it has been located on 285 acre of grounds at Sandy Lodge in the Three Rivers district of Hertfordshire.
Kingswood Oxford School is a secular private day school located in West Hartford, Connecticut.
 Originally two separate schools, Kingswood School and Oxford School for boys and girls respectively, KO is now a co-educational institution and offers grades 6 through 12.
 KO employs over 175 teachers as well as administrative, library, building and grounds, and culinary staff.
Canterbury School is an independent, college preparatory day school for students age 2 through Grade 12.
 The school is located in Fort Wayne, Indiana, USA.
 The school was ranked the best private day school in Indiana by Niche in 2017.
Hamden Hall Country Day School is a coeducational private day school in Hamden, Connecticut, educating students in preschool through grade 12.
 Hamden Hall was founded in 1912 as a country day school for boys by Dr. John P. Cushing, its first headmaster.
 It was the nation’s fourth country day school.
 The school has been coeducational since 1927 and expanded to include classes through grade 12 in 1934.
 Now split into three separate divisions, Hamden Hall enrolls the majority of its nearly 600 students in the upper and middle schools (Grades 7–12) and the remainder in the lower school (preschool through grade 6).

Question: What private day school for boys was originally located in the City of London and was attended by Charles John GOdfrey Saunders?
Answer: Merchant Taylors' School