Question: What is the name of the high school that an American drummer, who studied under the drummer of the metal band Dream Theater, attended?

Context paragraphs:
John Petrucci: John Peter Petrucci (born July 12, 1967) is an American guitarist, composer and producer.  He is best known as a founding member of the progressive metal band Dream Theater.  With his former bandmate Mike Portnoy, he has produced all Dream Theater albums from 1999's "" to 2009's "Black Clouds & Silver Linings", and has been the sole producer of the band's albums released since Portnoy's departure in 2010.  Petrucci was named as the third player on the G3 tour six times, more than any other invited guitarist.  Joel McIver's 2009 book "The 100 Greatest Metal Guitarists" ranks Petrucci second, after Dave Mustaine.  He was also named as one of the "Top 10 Greatest Guitar Shredders of All Time" by "GuitarOne" magazine.  In 2012, Petrucci was ranked the 17th greatest guitarist of all time by a "Guitar World" magazine reader's poll.

Mike Portnoy: Michael Stephen Portnoy (born April 20, 1967) is an American drummer primarily known as the former drummer, backing vocalist, and a co-founder of the progressive metal/rock band Dream Theater.  Known for his technical skill as a drummer, Portnoy has won 30 awards from the "Modern Drummer" magazine.  He co-produced six Dream Theater albums with guitarist John Petrucci, starting from "" through "Black Clouds and Silver Linings".  From "A Change of Seasons" onwards, Portnoy had been writing a significant amount of Dream Theater's lyrics.  He is the second youngest person (after Neil Peart) to be inducted into the "Modern Drummer's" "Hall of Fame", at 37 years of age.

A Sort of Homecoming (album): A Sort of Homecoming is a live album recorded at various locations (primarily The Theater at Madison Square Garden in New York City) by progressive metal band Dream Theater and released by the Dream Theater International Fan Club; thus, it is not part of the official Dream Theater discography.  It is named after the U2 song of the same name off their album "The Unforgettable Fire".

Mike Mangini: Michael "Mike" Mangini (born April 18, 1963) is an American drummer.  Since 2010, he has been a member of progressive metal band Dream Theater, following the departure of founding drummer Mike Portnoy.  He has also played for bands and artists such as Annihilator, Extreme, James LaBrie, and Steve Vai.  Before joining Dream Theater, Mangini was a faculty member at Berklee College of Music.  Between 2002 and 2005, he set five World's Fastest Drummer records.  Mangini appeared on the Discovery Channel show "Time Warp", displaying his drum skills for high speed cameras.

Illumination Theory: "Illumination Theory" is a song by the progressive metal/rock band Dream Theater.  The song was released on 23 September 2013, as the closing track of the band's 12th album" Dream Theater".  It features a string ensemble conducted and arranged by Eren Başbuğ.  The song's lyrics, according to the guitarist John Petrucci, are about things for which people will live, die or kill.  The song's length is 22:17, making it Dream Theater's fifth longest to date.

A Dramatic Turn of Events Tour: A Dramatic Tour of Events was a worldwide tour by the North American progressive metal/rock band Dream Theater, promoting their eleventh studio album.  It was band's first tour with the new drummer Mike Mangini, who replaced Mike Portnoy after his sudden departure from the band in September 2010.  The tour began July 4, 2011 in Rome, Italy and concluded September 1, 2012 in Brasília, Brazil.  Unlike the two tours prior, Dream Theater did not tour Australia.

Progressive Nation 2009: Progressive Nation 2009 was a North American and European tour headlined by the progressive metal band Dream Theater.  The tour's concept was created by the drummer Mike Portnoy.  The first leg of the tour began on July 24, 2009 in Miami and ended on August 29, 2009 in Los Angeles.  The second leg began on September 23 in Helsinki, Finland and ended on October 31 in Ljublijana, Slovenia.  This tour was part of the Dream Theater Black Clouds & Silver Linings World Tour, which included a previous European summer tour and following legs in Oceania, South America, North America (supporting Iron Maiden) and two final shows in Japan.

Dream Theater: Dream Theater is an American progressive metal band formed in 1985 under the name Majesty by John Petrucci, John Myung, and Mike Portnoy while they attended Berklee College of Music in Boston, Massachusetts.  They subsequently dropped out of their studies to concentrate further on the band that would ultimately become Dream Theater.  Though a number of lineup changes followed, the three original members remained together along with James LaBrie and Jordan Rudess until September 8, 2010, when Portnoy left the band.  In October 2010, the band held auditions for a drummer to replace Portnoy.  Mike Mangini was announced as the new permanent drummer on April 29, 2011.

List of songs recorded by Dream Theater: This is a complete list of songs by American progressive metal band Dream Theater.  Dream Theater was formed in 1985 by guitarist John Petrucci, bassist John Myung, and drummer Mike Portnoy.  The band's current line-up consists of Petrucci, Myung, keyboardist Jordan Rudess, vocalist James LaBrie, and drummer Mike Mangini.  As of 2016, Dream Theater has released thirteen studio albums.

Tyler LeVander: Tyler LeVander (also known as Baasick) is an American session drummer, film composer and producer.  LeVander attended Wilton High School in Wilton, Connecticut, and is a scholarship recipient and alumnus of Berklee College of Music in Boston, Massachusetts.  There, he studied under Rod Morgenstein, Casey Scheuerell, Mike Mangini and Kenwood Dennard.

Supporting paragraphs: Tyler LeVander Mike Mangini
Answer: Wilton High School