Question: Who attended the only high school operated by the Niskayuna Central School District?

Context paragraphs:
Shaker High School: Shaker High School, is a public high school in Latham, Albany County, New York, United States, and is the only high school operated by the North Colonie Central School District.  Its enrollment for the 2015-2016 school year is 1,963 students.

Jared Spool: Jared Spool is an American writer, researcher, speaker, educator, and an expert on the subjects of usability, software, design, and research.  He is the founding principal of User Interface Engineering, a research, training, and consulting firm specializing in website and product usability, and the largest usability research organization of its kind in the world.  He is also an amateur magician.  Spool attended Niskayuna High School in Niskayuna, NY.

Cobleskill-Richmondville Central School District: C-RCS or Cobleskill-Richmondville Central School District is a Public (government funded) school district in Schoharie County, New York.  The district was formed in 1993 by the combination of the Richmondville Central School District and the Cobleskill Central School District.  It consists of four schools: the Cobleskill Richmondville High School, the William H. Golding Middle School, the George D. Ryder Elementary School, and the Joseph B. Radez Elementary School.  The current superintendent is Carl Mummenthey.

Suffern High School: Suffern High School is located in the Suffern Central School District in Suffern, New York.  The school's mascot is a mountain lion (Mountie).  Its yearbook is the "Panorama".  Suffern High is ranked in the top 500 high schools in the United States at number 439.  Suffern High School was formally in the Ramapo Central School District, however, as of August 21, 2017, the district was renamed Suffern Central School District.

Niskayuna High School: Niskayuna High School is a public high school in Niskayuna, New York, United States, and is the only high school operated by the Niskayuna Central School District.

Dryden High School: Dryden High School is a public high school located in Dryden, Tompkins County, New York, U.S.A., and is the only high school operated by the Dryden Central School District.  This district is in New York State's southern tier and encompasses an area of 110 sqmi and serves a population of about 1900 students.  The school's mascot is a Purple Lion.

Clarence High School (Clarence, New York): Clarence High School, also known as Clarence Central High School or, formerly, Clarence Senior High School, is a public high school located in Clarence, Erie County, New York, United States.  It is the only high school operated by the Clarence Central School District.  Kenneth J. Smith is principal.  This school offers many courses and extracurricular activities that prepare students for post-secondary education, or future careers.  Academic subjects emphasize Regents, Honors and Advanced Placement courses.  Electives range from art to technology.  Over 30 extracurricular options provide ample opportunities for students to expand socially.

Keystone Central School District: The Keystone Central School District (KCSD) is a midsized rural, public school district based in Lock Haven, Pennsylvania that includes public schools in Clinton County, and that serves students in Clinton County, Centre County, and Potter County.  Geographically, the Keystone Central School District is the biggest school district in Pennsylvania.  It encompasses approximately 1,048 sqmi square miles.  According to 2000 federal census data, it served a resident population of 36,950.  By 2010, the district's population was 37,794 people, making it a district of the third class.  The educational attainment levels for the School District population (25 years old and over) were 85.7% high school graduates and 17.2% college graduates.  The district is one of the 500 public school districts of Pennsylvania.

Niskayuna Central School District: The Niskayuna Central School District is a public school district located in Niskayuna, New York.  It has a total enrollment of 4,312 students in grades K–12 in 8 schools.  The district superintendent is Susan Kay Salvaggio.  Until Salvaggio was superintendent Kevin.  S. Baughman held the prestigious note of being the second highest school administrator in the State of NY, making over $200,000, nearly double the salary of the Governor.  The district primarily serves the Town of Niskayuna, but also covers the Alpaus area of the Town of Glenville and the Rexford area of the Town of Clifton Park, both north of the Mohawk River.

Harrison High School (New York): Harrison High School (HHS) is a public high school located in Harrison, Westchester County, New York, United States.  The school is 22 mi northeast of New York City.  It is the only high school operated by the Harrison Central School District.

Supporting paragraphs: Jared Spool Niskayuna High School
Answer: Jared Spool