Question: The school where Caroline B. Mason was the Head of School starting in 2003 was established in what year?

Context articles: Both Sides of Time
Davidson Academy (Reno, Nevada)
Caroline B. Mason
East Wake High School
Albion High School (Michigan)
Start School Later
The Albany Academy
Las Lomitas Elementary School District
The Terrorist (novel)
Charles Hyde Warren

Both Sides of Time (1995) is a fiction book and the first of the Time Travelers Quartet series by Caroline B. Cooney.
 It was first published on July 1, 1995.
 The hardcover book has 224 pages and was published on October 9, 2001 by Delacorte Books for Young Readers.
 In Both Sides of Time, Caroline B. Cooney gives a realistic view of the struggles women had faced in the 19th century and how far they have come in the 20th century.
 The dialogue of this novel contains a mixture of the English language from the use of speech in the Victorian era to the terminologies and style of talk in modern English.
 The recommended age for this book is from ages 12 to 14.
The Davidson Academy is a school for profoundly gifted students with two options - an Online High School starting with eighth grade courses for students living anywhere in the United States and a Reno, Nevada public school day school located on the University of Nevada, Reno campus for students living in the area.
 The school, founded in 2006, is the first public school of its kind in the nation for profoundly gifted (high IQ) students.
 The Reno public school is located in the Jot Travis Building on the campus of the University of Nevada, Reno.
 As of the 2017-2018 school year, 149 students attend the Davidson Academy.
 The Davidson Academy provides each student with a personalized learning plan, designed to give them an education specifically catered to their individual, unique needs.
 Unlike traditional school settings, the Academy’s classes do not group students by age, but by ability.
 The school is designed to provide an educational setting where the abilities, strengths, and interests of highly intelligent young people are encouraged and supported.
 Eligible candidates must score in the 99.9th percentile on accepted intelligence and/or achievement tests; perform at a required academic level; exhibit intellectual and academic achievement; are, or intend to be, residents of Nevada; and other criteria.
 As ranked by the Washington Post's Jay Mathews, the Davidson Academy is one of the nation's "Top-performing schools with elite students."
Caroline B. Mason was the Head of School for The Albany Academy (starting in 2003) and the Albany Academy for Girls (starting in 1993) in Albany, New York.
 She has the distinction of being the only person in the United States to head two schools simultaneously.
 In 2006, she announced her intention of stepping down from her posts following the 2006 - 2007 academic year.
East Wake High School (formerly known as Vaiden Whitley High School) is located in Wendell, North Carolina, United States.
 It is part of the Wake County Public School System.
 The school was subdivided into four separate smaller schools, but was unified into one large high school starting in the 2015-2016 school year.
Albion High School was a secondary school located in Albion, Michigan which served students in grades 9—12.
 It was a part of Albion Public Schools.
 As of 2006, the school principal was Ms. Debra Swartz.
 Albion was known for its traditionally strong boys basketball and track and field programs.
 The school board announced on June 11, 2013 that all Albion High School students would be attending Marshall High School starting in the fall of 2013.
 The decision was made because of a $1.1 million deficit.
Start School Later, aka Healthy Hours, is a non-profit organization in the United States.
 It was founded in 2011 by grassroots advocates, sleep researchers, pediatricians, social workers, and educators to help communities delay school starting times and ensure safe, healthy school hours.
 The organization, which has over 90 chapters throughout the United States, has been featured in The Huffington Post and Psychiatric News and has received media coverage and editorial support in publications including The New York Times, The Wall Street Journal, NPR, BBC Brasil, WGBH, and The Washington Post.
 In 2013 U.S. Education Secretary Arne Duncan tweeted his support for later high school start times, and since 2014 the American Academy of Pediatrics, Centers for Disease Control and Prevention, and the American Medical Association have issued a policy statement recommending that middle and high schools start no earlier than 8:30 a.m.
The Albany Academy is an independent college preparatory day school for boys in Albany, New York, USA, enrolling students from Preschool (age 3) to Grade 12.
 It was established in 1813 by a charter signed by Mayor Philip Schuyler Van Rensselaer and the city council of Albany.
 In July 2007, the administrative teams of The Albany Academy and Albany Academy for Girls merged into The Albany Academies.
 Both schools retain much of their pre-merger tradition and character and each continues to give diplomas under its own name.
 Tuition ranges from $13,000 for Preschool, up to $22,500 for grade 12.
The Las Lomitas Elementary School District is a public school district in the San Francisco Bay Area, primarily serving parts of the communities of Menlo Park, Atherton and Ladera, with its headquarters in Menlo Park.
 Under the current arrangement, all students in the district attend Las Lomitas Elementary School starting before Kindergarten through 3rd grade, and attend La Entrada Middle School for 4th through 8th grade.
 Students from this school district who continue on with public schooling matriculate to the Sequoia Union High School District, most attending Menlo-Atherton High School, though some students opt to attend Woodside High School, which is closer to home for some students.
 Several LLESD schools have won the prestigious Blue Ribbon Award.
The Terrorist is a young adult novel by Caroline B. Cooney, published in 1997.
 It deals with Laura Williams, a sixteen-year-old American who attends an international school in London.
 When her younger brother, Billy, is killed by a terrorist bomb handed to him by a stranger on the subway, Laura becomes obsessed with revenge.
 She suspects everyone, including her classmates, and wonders about their associations with such causes as the PLO or the IRA.
 Laura knows nothing of world politics at first, but she quickly learns that the world is a dangerous place and many nations have many enemies.
 The situation is complicated when an Iranian classmate named Jehran asks Laura to give her Billy's passport to help her escape an arranged marriage.
 This book has been frequently challenged due to its portrayal of Muslims.
Charles Hyde Warren (September 27, 1876 – August 16, 1950) was an American geologist.
 He grew up in Watertown, Connecticut.
 He graduated from the Sheffield Scientific School in 1896.
 He was on the faculty of the Massachusetts Institute of Technology from 1900–1922.
 He was Sterling Professor and chair of Geology at Yale University and Dean of the Sheffield Scientific School starting in 1922.
 He was also professor of Mineralogy.
 In 1908, he was elected a Fellow of the American Academy of Arts and Sciences.
 Warren retired in 1945.
 He was a member of the Geological Society of America.