Question: When was the James Ambrose Gallivan graduated from a public "exam school" in Boston, Massachusetts?

Context articles: The Ambrose School
Boston Aquarial and Zoological Gardens
Meghalaya Board of School Education
James A. Gallivan
Boston Latin School
Deksil
Yankee Sullivan
List of Boston Latin School alumni
Rick James
Boston Aquarial Gardens

The Ambrose School is a classical Christian school in Meridian, Idaho.
 The Ambrose School is accredited by the Association of Classical Christian Schools.
 In 2016, the school had 544 students in grades K-12.
 The Ambrose School graduated its first class in 2006.
 The school's curriculum is distinct in that it teaches Latin in grades 3-10, Greek in grades 9-10, emphasizes the Western historical tradition, the Great Books of the Western World, Logic, and Rhetoric.
 The school operates as a 501(c)(3) Christian ministry.
The Boston Aquarial and Zoological Gardens (October 1860 – June 1862) in Boston, Massachusetts, featured a public aquarium and zoo.
 It was located in the Financial District on Central Court (off Washington Street).
 On display were "hundreds of specimens of the finny tribe there to be seen sporting in their native element, in all their variety of hue and shape" as well as other animals.
 James Ambrose Cutting and Henry D. Butler ran the business, derived from an earlier incarnation known as the Boston Aquarial Gardens.
"The Meghalaya Board of School of Education" (MBOSE) was set up as per The Meghalaya Board of School Education Act, 1973, as to regulate, control and supervise matters related to School Education in the state of Meghalaya, India.
 It was initially set up to control the SSLC Exam until, the Pre-University degree was discontinued by the North Eastern Hill University(NEHU) in 1996.
 Since then, MBOSE has been responsible for conducting the Secondary School Leaving Certificate(SSLC) as well as the Higher Secondary School Leaving Certificate(HSSLC) Exam in the state.
 Initially, it started functioning in the Office of the Director of Public Instruction, Shillong which was later shifted to Araimile,Tura in the year 1974.
 MBOSE also has a regional office located at the state capital of Shillong.
 At present,there are about 1400 affiliated schools spread across the state of Meghalaya.
James Ambrose Gallivan (October 22, 1866 – April 3, 1928) was a United States Representative from Massachusetts.
 He was born in Boston on October 22, 1866.
 Gallivan attended the public schools, graduated from the Boston Latin School in 1884 and from Harvard University in 1888.
 He then engaged in newspaper work.
 He was a member of the Massachusetts House of Representatives in 1895 and 1896, and served in the Massachusetts State Senate from 1897 to 1898.
 Gallivan served as street commissioner of Boston, and was elected as a Democrat to the Sixty-third Congress to fill the vacancy caused by the resignation of James M. Curley.
 He was reelected to the Sixty-fourth and to the six succeeding Congresses and served from April 7, 1914, until his death in Arlington on April 3, 1928.
 His interment was in St. Joseph Cemetery in West Roxbury.
The Boston Latin School is a public "exam school" in Boston, Massachusetts.
 Established on April 23, 1635, it is the oldest and first public school in the United States.
 The Public Latin School was a bastion for educating the sons of the Boston "Brahmin" elite, resulting in the School claiming many prominent Bostonians, Massachusetts citizens and New Englanders as alumni.
 Its curriculum follows that of the 18th century Latin-school movement, which holds the "classics" to be the basis of an educated mind.
 Four years of Latin are mandatory for all pupils who enter the School in the 7th grade, three years for those who enter in the 9th.
 In 2007, the School was named one of the top twenty high schools in the United States by "U.S. News & World Report" magazine.
 It is a part of Boston Public Schools (BPS).
Deksil (เด็กซิ่ว in Thai) means "Fossil Student" or "The Exam Re-Taker of the University Admission" , They are Students who graduated from high school but decided not to study in University.Instead, They spend a whole year to study at home or at Cram school for the university entrance exam for the better scores and better chance to get into the top universities like Chulalongkorn University, Thammasart University, Kasetsart University, Mahidol University, King Mongkut's University of Technology Thonburi
Yankee Sullivan (born James Ambrose; c. March 10, 1811 – May 31, 1856), also known as Frank Murray and James Sullivan, was a bare-knuckle fighter and boxer.
 He was a prizefighting champion from 1851 to October 12, 1853.
 He considered himself to be the inheritor of Tom Hyer's title, and lost any claim to that title after losing a fight to John Morrissey.
Boston Latin School is a public exam school located in Boston, Massachusetts, that was founded in 1635.
 It is the first public school and the oldest existing school in the United States.
Rick James (born James Ambrose Johnson, Jr.
 February 1, 1948August 6, 2004) was an American musician and composer.
The Boston Aquarial Gardens (1859-1860) was a public aquarium in Boston, Massachusetts, established by James Ambrose Cutting and Henry D Butler.
 The "conservatories [were] filled with rare marine animals imported and collected exclusively for this establishment; ... a perfect and striking illustration of life beneath the waters."
 The business was located on Bromfield Street in the Financial District.