The American Collegiate Hockey Association (ACHA) is a college ice hockey association. The ACHA's purpose is to be an organization of collegiate affiliated programs, which provides structure, regulates operations, and promotes quality in collegiate ice hockey. The ACHA currently has three men's and two women's divisions and includes approximately 450 teams from across the United States and Canada. Most ACHA teams offer few athletic scholarships and typically receive far less university funding. The ACHA offers an opportunity for college hockey programs that struggle with large budgets and Title IX issues, as an alternative to the National Collegiate Athletic Association (NCAA) financial structure.^[1]

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The interest in college hockey has grown as the game of hockey has grown in the United States. But as aggressively as the sport has grown at the grass-roots level, the number of NCAA programs has not expanded as rapidly to meet the demand as these youth players reach college and look to extend their hockey-playing experience. This is why the ACHA level was created.

The ACHA's primary mission is to support the growth of two-year and four-year collegiate hockey programs nationwide. The ACHA identifies standards that serve to unite and regulate teams at the collegiate level. The ACHA emphasizes academic performance, institutional sanction, eligibility criteria, and standards of play and opportunities for national competition, and the ACHA promotes all aspects of collegiate hockey stressing the personal development of individual athletes as well as national recognition for member organizations. In order to do this, the ACHA has developed organizational by-laws and a Policies and Procedures Manual to provide the policy foundation for the organization as it works to fulfill its purpose. These documents are reviewed yearly at the ACHA's annual meeting.

The ACHA's policies cover team and player eligibility, rules of play, ranking procedures, national tournament procedures, and other administrative issues, although the ACHA parallels the NCAA Division III with most eligibility requirements, recruitment processes, gameplay rules, etc. The league holds its annual meeting in conjunction with the annual convention of the American Hockey Coaches Association, in the month of April in Naples, Florida.

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The ACHA was established on April 20, 1991. Fifteen charter members met during the Chicago Showcase in Skokie, Illinois at the North Shore Hilton. These member teams had been playing college hockey for many years but wished to legitimize its play by standardizing some of its procedures.

The members that created the organization were Tom Keegan (ACHA), Al Murdoch (Iowa State), Joe Battista (Penn State), Jim Gilmore (Ohio), Ernie Ferrari (Stanford), Howard Jenks (California), Jeff Aikens (North Dakota State), Don Spencer (West Virginia), Jim Barry (Navy), Scott Fuller (Navy), Leo Golembiewski (Arizona), Ron Starr (DePaul), Cary Adams (PCHA), Jim Warden (PCHA) and Jack White (UCLA).

The inaugural year of the ACHA was the 1991–1992 season. The goal of the organization was to create an impartial governing body to monitor national tournaments, player eligibility, and general oversight. Over the years the ACHA quickly grew to over 150 teams in three men's divisions.

A Women's Division was added in 2000 with a second Women's division being added for the 2006–2007 season.

By the 2001–2002 season, marking their 10th anniversary, the ACHA had a total of 179 teams registered with 33 teams in Division I, 100 teams in Division II, 18 teams in Division III, and 20 teams in the Women's Division.

By the 2002–2003 season that number raised to over 250 teams, with Division III adding over 80 teams alone.

By the 2003–2004 season the number raised to 278 teams: 40 teams in D-I, 124 teams in D-II, 87 teams in D-III, and 27 teams in the Women's Division.

By the summer of 2007 ACHA membership had reached 360 teams (M1-54, M2-190, M3-139, W1-32, W2-8), that cover 48 of the 50 states.

During the summer of 2009 the University of Alaska Fairbanks established a Women's Division II team becoming the 49th state in the ACHA. Hawaii is currently the only state without an ACHA team.

Every year since 2003, the Men's Division I Showcase has been an event that features some of the top teams in the ACHA.

ACHA partners with Fasthockey.com to broadcast many of the league's games.^[2]

In 2017, the ACHA adopted a new hosting format for holding the annual National Championship Tournament for all Men's & Women's Divisions. Then ACHA Executive Director Michael Walley championed an idea to hold all of the ACHA's National Championship Tournaments in one major U.S. city, in partnership with that city's National Hockey League (NHL) team. The inaugural year saw the 2017 ACHA National Championship Tournament Festival held in Columbus, Ohio, in partnership with the NHL's Columbus Blue Jackets. Then ACHA Executive Director Michael Walley assumed the role of Tournament Director for the inaugural tournament, Andy Storz was placed in the role of National Tournament Manager-Game Day Hockey Operations/P.A. Announcer/Anthem Soloist, while Fasthockey.com handled broadcasting. In July 2017, after undergoing a nationwide search, Russ Slagle was selected by the ACHA's Board of Directors and appointed to fill the vacant staff position of ACHA National Tournament Director, and A.J. Boldan was placed in the role of National Tournament Manager-Broadcast Operations/Executive Producer in conjunction with the ACHA opting to engineer its own National Tournament broadcasts on a newly launched YouTube channel "ACHA National Championships".

The ACHA includes both Men's and Women's Divisions. The Men's side is made up of three Divisions: 1, 2, and 3. Division 3 was the last to be established in 1999. Each division has its own distinguishing set of guidelines which are explained below. The Women's side has two divisions. Division 1 began in 2000 and Division 2 is the most recent addition to the ACHA with its inception in 2006.

Despite most teams' non-varsity status, the caliber of ACHA play can be quite high, especially in Division 1. Many large universities that do not sponsor hockey at the NCAA varsity level have become powerhouses, such as Ohio University, Adrian College, and Lindenwood University. Additionally, several universities that do sponsor NCAA varsity hockey teams also field ACHA-affiliated teams. Of all non-varsity sports activities, the ACHA-affiliated hockey teams generally garner the most attention at their universities, such as Missouri State where it is the third-largest spectator sport. The same can be said for the Arizona and University of Georgia who draw the third-largest fan base behind football and basketball. ^{[citation needed]}

All ACHA teams are members of USA Hockey and the American Hockey Coaches Association (AHCA).

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Players are selected from only ACHA Men's D1 to represent USA Hockey in the Winter World University Games, an IIHF and FISU event. ACHA Men's D2 and D3 division created the Select Teams to offer opportunities for the other Men division's to experience International hockey and they are ACHA events.

The Division 2 & Division 3 Selects Teams alternate going over to Europe each year during the Holiday Break to play European teams. The players are chosen from a round robin tournament in the spring usually in Pennsylvania. The tournament pits each conference's elite players against each other.

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The original ACHA logo was created by Dave Kammerdeiner of the West Virginia University Art Department under the direction of Don Spencer for a cost of $50.

In August 2003, the ACHA held an official contest to design a new logo, with the winning school receiving free registration for the 2003–2004 season. The University of Washington's Husky Hockey team won the contest, with former graphic-design intern Tom Eykemans designing the new version of the logo (as shown above).

• British Columbia Intercollegiate Hockey League
• National Collegiate Hockey Association