Yokohama International Christian Academy (YICA) is a PreK-G12 co-ed independent international school that strives to foster self-empowerment, mutual respect and responsible global citizenship among all children within the framework of a Christian-centered learning environment.
Hill House School is a co-educational independent school for pupils from the ages of 3 to 18 in Doncaster in South Yorkshire, England.
 In 2012, Hill House was named 'Independent School of the Year' at the independent school awards.
 It is a member of The Society of Heads, The Independent Association of Preparatory Schools, and the Independent Schools Council.
In the state of Texas, local schools are typically operated as Independent School Districts or Consolidated School Districts.
 Consolidated School Districts are typically one or more independent school districts that were consolidated due to low attendance or governance issues.
 Independent School Districts typically serve one community, but sometimes serve multiple small communities.
 The following are independent school districts in Wood County, Texas:
St. Mary's Academy (SMA) is a Catholic, independent day school in the Loretto tradition located in Cherry Hills Village, Colorado.
 Founded by the Sisters of Loretto in 1864, St. Mary’s Academy educates boys and girls.
 St. Mary’s Academy is composed of a co-ed Lower School (co-ed junior kindergarten through grade 5) and Middle School (co-ed grades 6-8), and continues its long tradition as a college preparatory high school for girls (grades 9-12).
 Three times the U.S. Department of Education has honored St. Mary’s Academy as a School of Excellence (a program initially titled Blue Ribbon Schools).
 St. Mary's Academy High School offers 15 Advanced Placement courses.
Jeff Ma or Jeffrey Ma was a member of the MIT Blackjack Team in the mid-1990s.
 He graduated from Phillips Exeter Academy.
 He attended MIT where he graduated with a degree in mechanical engineering in 1994.
 He was the basis for the main character of the book "Bringing Down the House" (where he was renamed Kevin Lewis) and the film "21" (where he was renamed Ben Campbell).
 Ma also co-founded PROTRADE (a sports stock market website, that has since been shut down) and does consulting work for professional sports teams including the Portland Trail Blazers and San Francisco 49ers.
 He cofounded Citizen Sports, a sport-information website and iPhone application based in San Francisco, which was acquired by Yahoo! in May 2010.
Phillips Exeter Academy (often called Exeter or PEA) is a coeducational independent school for boarding and day students between the 9th and 12th grades.
 Located in Exeter, New Hampshire, it is one of the oldest secondary schools in the United States.
 Exeter is noted for its innovation and application of Harkness education, a system based on a conference format of student interaction with minimal teacher involvement.
 It has the largest endowment of any New England boarding school, which as of June 30, 2016, was valued at $1.15 billion.
Albert College is a co-educational independent boarding and day school located in Belleville, Ontario, Canada.
 It is the oldest co-ed boarding independent school in Canada, and the only private boarding school in Belleville.
 Albert College currently has an enrolment of approximately 300 students from over 20 different countries.
 The school comprises an Early Primary Learning Centre (Pre-Kindergarten and Junior Kindergarten), a Junior School (Senior Kindergarten to Grade 6), a Middle School (Grades 7 and 8), and a Senior School (Grades 9 to 12 and Post-Graduate).
The Mid-Atlantic Athletic Conference (MAC) is an American high school athletic league composed of private schools in the Washington, D.C. area.
 The conference was founded in 1994.
 Solely male teams participate in the conference.
 As every member school is co-ed, the girls compete in the Independent School League, or ISL.
 The MAC is often considered as competitive as the IAC and the WCAC, and more competitive than the PVAC, the three other Washington-area private high school conferences.
 While the MAC generally boast fewer students than schools in the WCAC they tend to be just as competitive in sports.
 For example, Saint James has a total student body population of 235, a number which comprises both boys and girls.
 Gonzaga College High School, meanwhile, an all-boys school in the WCAC, has an enrollment of roughly 900.
Louisville Collegiate School is a junior kindergarten-12th grade, co-ed independent day school located in the historic Highlands neighborhood of Louisville, Kentucky, United States.
 Founded in 1915, the school enrolls 713 students at 2427 Glenmary Avenue.
 Collegiate is a community rich in history, tradition, innovation and academic excellence.
 Founded on progressive ideals Collegiate is welcoming, accessible and proud of all of its students who stand out for their exceptional academic preparation, outstanding character and confident leadership.
Lovejoy High School is a public high school in Lucas, Texas in south central Collin County.
 It is the only high school of the Lovejoy Independent School District serving grades 9-12 and classified as a 5A school by the UIL.
 Lovejoy High School serves most of the cities of Lucas, most of Fairview, and a small portion of Allen.
 Students from outside the district may transfer to Lovejoy High School for a tuition fee.
 Until the Fall of 2006, all high school students zoned to Lovejoy Independent School District attended nearby Allen High School.
 The school graduated its first senior class in 2010.
 In 2013, the school was rated "Met Standard" by the Texas Education Agency.

Question: Jeff Ma graduated from which co-ed independent school?
Answer: Phillips Exeter Academy