Question: In which American private research university Andrew J. Olmsted was educated?

Context paragraphs:
Hamdard University: Hamdard University (Urdu: ) is a private research university with campuses in Karachi and Islamabad, Pakistan.  It was founded in 1991 by the renowned philanthropist Hakim Said of the Hamdard Foundation.  Hamdard is one of the first and the oldest private institutions of higher education in Pakistan.  In Karachi, Hamdard University is the largest private research university with a campus area of over 350 acres.

Brandeis University: Brandeis University is an American private research university in Waltham, Massachusetts, 9 miles (14 km) west of Boston.

List of Lehigh University alumni: This is a list of notable alumni of Lehigh University, an American private research university located in Bethlehem, Pennsylvania.

Andrew J. Olmsted: Andrew J. Olmsted (1 February 1970 – 3 January 2008) was a major in the U.S. Army.  He was born in Bangor, Maine and educated at St. John's High School in Shrewsbury, MA, and Clark University.

Johns Hopkins University: The Johns Hopkins University (commonly referred to as Johns Hopkins, JHU, or simply Hopkins) is an American private research university in Baltimore, Maryland.  Founded in 1876, the university was named for its first benefactor, the American entrepreneur, abolitionist, and philanthropist Johns Hopkins.  His $7 million bequest—of which half financed the establishment of Johns Hopkins Hospital—was the largest philanthropic gift in the history of the United States at that time.  Daniel Coit Gilman, who was inaugurated as the institution's first president on February 22, 1876, led the university to revolutionize higher education in the U.S. by integrating teaching and research.  Adopting the concept of a graduate school from Germany's ancient Heidelberg University, Johns Hopkins University is considered the first research university in the United States.

List of Lehigh University presidents: Lehigh University is an American private research university located in Bethlehem, Pennsylvania.  It was established in 1865 by businessman Asa Packer with a founding gift of $500,000.  The President's Office is in the Alumni Memorial Building which is located on the west side of the Asa Packer Campus in South Side Bethlehem.  The President's House is situated just a few meters to the southeast of the Alumni Memorial Building.

JHU (disambiguation): JHU stands for Johns Hopkins University, an American private research university in Baltimore, Maryland.

Clark University: Clark University is an American private research university located in Worcester, Massachusetts, the second largest city in New England.  It is adjacent to University Park about 50 miles west of Boston.

Lehigh University: Lehigh University is an American private research university located in Bethlehem, Pennsylvania.  It was established in 1865 by businessman Asa Packer.  Its undergraduate programs have been coeducational since the 1971–72 academic year.  As of 2014, the university had 4,904 undergraduate students and 2,165 graduate students. Lehigh is considered one of the twenty-four Hidden Ivies in the Northeastern United States.

University of Southern California: The University of Southern California (USC or SC) is a private research university located in Los Angeles, California.  Founded in 1880, it is the oldest private research university in California.  USC has historically educated a large number of the region's business leaders and professionals.  In recent decades, the university has also leveraged its location in Los Angeles to establish relationships with research and cultural institutions throughout Asia and the Pacific Rim.  An engine for economic activity, USC contributes $8 billion annually to the economy of the Los Angeles metropolitan area and California.

Supporting paragraphs: Andrew J. Olmsted Clark University
Answer: Clark University