Regionals/California/Orange County

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California
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Current Victor: El Camino Real Charter High School
National Titles: 198219831987198919941995
199819992001200320042005
200620072008200920102011
201220132014201520162017
20182019202120222023
Official Website
State Scores
1980198119821983198419851986
1987198819891990199119921993
1994199519961997199819992000
2001200220032004200520062007
2008200920102011201220132014
2015201620172018201920202021
202220232024
Regional Scores
1998199920002001200220032004
2005200620072008200920102011
2012201320142015201620172018
201920202021202220232024
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Orange County is located in the Los Angeles metropolitan area in southern California. It is the birthplace of Academic Decathlon, founded by superintendent Dr. Robert Peterson in 1968.

Orange County
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Current Victor: Woodbridge High School
Official Website
Regional Scores
1968197019881991199719981999
2000200120022003200420052006
2007200820092010201120122013
2014201520162017201820192020
2021202220232024
Round 1 Scores
201520162017201820192020
2021202220232024

Regional Results for Orange County, 1979 - Present

*NOTE: All of the years are given in the year of the State competition. From 1979-1984, the County and State competitions were held in November and December respectively. From 1986-1997, the County competition was held in November and the winner went to State the following spring. From 1998 till the present, the County and State competitions were held in the same year.
**COVID-19 Online Competition.

Year Winner Regionals Score State Score Nationals Score Coaching
2024 Woodbridge High School 44,488.6 43,068.5 DNC Samuel Lee, Mike Nakaue, Shan Wu
2023 Woodbridge High School 45,208.8 46,378.4 DNC Mike Nakaue, Shan Wu, Samuel Lee
2022 Woodbridge High School 44,624.3** 44,243.2** DNC Mike Nakaue, Shan Wu
2021 University High School 44,289.9** 45,148.2** DNC Chris Esposito
2020 Woodbridge High School 47,177.1 41,742.8** DNC Mike Nakaue, Shan Wu
2019 Woodbridge High School 47,590.6 47,679.2 DNC Mike Nakaue, Shan Wu
2018 Woodbridge High School 46,700.3 47,501.9 DNC Mike Nakaue, Shan Wu
2017 Woodbridge High School 47,988.4 47,768.6 DNC Mike Nakaue, Shan Wu
2016 Canyon High School 46,400.5 48,233.8 DNC Khoa Dao
2015 Westminster High School 46,631.8 45,872.1 DNC Carol Sebastian, Eric Brothwell
2014 Valencia High School 42,661.3 43,998.4 DNC Fred Jenkins, Sam Myovich
2013 Westminster High School 44,122.3 42,797.1 DNC Carol Sebastian
2012 Valencia High School 43,598.0 44,328.4 DNC Fred Jenkins, Sam Myovich
2011 Westminster High School 44,565.6 44,064.3 DNC Carol Sebastian
2010 Westminster High School 42,129.0 41,008.7 DNC Carol Sebastian
2009 Valencia High School 43,720 43,456.3 DNC Kay Kerby, Fred Jenkins
2008 Westminster High School 42,093 42,807.9 DNC Carol Sebastian
2007 Westminster High School 43,509.0 41,617.9 DNC Carol Sebastian
2006 Woodbridge High School 43,371.0 41,226.2 DNC Mike Nakaue, Janet Eichsteadt
2005 Trabuco Hills High School 41,948.0 42,855.4 DNC Janet Hooper?
2004 Marina High School 43,554.0 42,526.5 DNC Alex LaPointe
2003 Marina High School 42,463 40,915.9 DNC Robert Grebel
2002 Marina High School 44,309 45,108.4 DNC Robert Grebel
2001 Los Alamitos High School 41,780 40,708 DNC ?
2000 Laguna Hills High School 46,365 46,319 DNC Kathy Lane, Roger Gunderson?
1999 Laguna Hills High School 46,985 48,431 DNC Kathy Lane, Roger Gunderson?
1998 Laguna Hills High School ? 45,298 DNC Kathy Lane, Roger Gunderson?
1997 Trabuco Hills High School ? 46,315 DNC Janet Hooper?
1996 Laguna Hills High School ? 48,419 DNC Kathy Lane, Roger Gunderson?
1995 Laguna Hills High School 48,505 46,363 DNC Kathy Lane, Roger Gunderson?
1994 Laguna Hills High School ? 43,049 DNC Kathy Lane, Roger Gunderson?
1993 Laguna Hills High School ? 46,213 DNC Kathy Lane, Roger Gunderson?
1992 Laguna Hills High School ? 46,438 DNC Kathy Lane, Roger Gunderson?
1991 Laguna Hills High School 44,492 44,582 47,246 Kathy Lane, Roger Gunderson?
1990 Laguna Hills High School ? 45,361 46,035 Kathy Lane, Roger Gunderson?
1989 Laguna Hills High School ? ? DNC Kathy Lane, Roger Gunderson?
1988 Los Alamitos High School 40,581 ? DNC ?
1987 Foothill High School (Apr 1987) ? ? DNC Larry Minne
1986 Foothill High School (Jan 3, 1986) ? 44,190 DNC Larry Minne
1984 Foothill High School (Dec 1984) ? 42,702 DNC Larry Minne
1983 Los Alamitos High School ? ? DNC ?
1982 Los Alamitos High School ? ? DNC ?
1981 Los Alamitos High School ? 44,866 N/A ?
1980 Los Alamitos High School (Dec 1980) ? ? N/A ?
1979 Dana Hills High School ? ? N/A ?

Regional Results for Orange County, 1968 - 1978

The inaugural California state competition took place in 1979. The state competition did not exist from 1968-1978. These are the years of the regional competition.

Year Winner Score
1978 Los Alamitos High School ?
1977 Los Alamitos High School ?
1976 Los Alamitos High School ?
1975 Foothill High School ?
1974 Orange High School ?
1973 Villa Park High School ?
1972 Villa Park High School ?
1971 El Modena High School ?
1970 Rosary High Catholic School ?
1969 Anaheim High School ?
1968 Foothill High School ?

Total Regional Titles

See earlier NOTE*

School Name Number of Titles Years Won
Laguna Hills High School 11 2000, 1999, 1998, 1996, 1995, 1994, 1993, 1992, 1991, 1990, 1989
Los Alamitos High School 9 2001, 1988, 1983, 1982, 1981, 1980, 1978, 1977, 1976
Woodbridge High School 8 2024, 2023, 2022, 2020, 2019, 2018, 2017, 2006
Westminster High School 6 2015, 2013, 2011, 2010, 2008, 2007
Foothill High School 5 1987, 1986, 1984, 1975, 1968
Marina High School 3 2004, 2003, 2002
Valencia High School 3 2014, 2012, 2009
Trabuco Hills High School 2 2005, 1997
Villa Park High School 2 1973, 1972
Anaheim High School 1 1969
Canyon High School 1 2016
Dana Hills High School 1 1979
El Modena High School 1 1971
Rosary High Catholic School 1 1970
Orange High School 1 1974
University High School 1 2021

Orange County Top Scorers

Individual County Champions

Bold indicates that the school was also the county champion that year.

Year Student Score School Division
2024 Henry Robbins 8,867.6 Woodbridge High School Honors
2023 Deena Sun 9,079.6 Woodbridge High School Honors
2022 Melissa Tsaowimonsiri 8,721.3 Woodbridge High School Honors
2021 Melissa Tsaowimonsiri 9,237.3 Woodbridge High School Honors
2020 Snigdha Saha 9,287.9 Woodbridge High School Honors
2019 Hannah Hui 9,322.9 Woodbridge High School Honors
2018 Hannah Hui 9,151.7 Woodbridge High School Honors
2017 William Tong 8,945.6 Woodbridge High School Honors
2016 Akif Khan 9,116.4 Canyon High School Honors
2015 Kevin Li 9,161.1 Woodbridge High School Honors
2014 Andrew Ly 8,531.0 Westminster High School Honors
2013 Julia Pei 8,569.3 Troy High School Honors
2012 Rachel Leiken 8,384.3 Valencia High School Honors
2011 Johnny Tran 8,372.5 Westminster High School Scholastic
2010 ? ? ? ?
2009 ? ? ? ?
2008 ? ? ? ?
2007 ? ? ? ?
2006 Tom Yang 9,258 Woodbridge High School Honors
...
2002 Lulu Wang 8,166 Marina High School Honors
...
1998 Jed Biesiada 8,631 Marina High School ?
...
1991 Winston Chang 8,467 University High School Honors
...
1988 Paul Cash 8,123 Foothill High School Honors
...

Honors

Please read the rules regarding duplicate individuals before making edits to the top 5 lists.

Rank Student School Year Competition Score
1 Andrew Nguyen Valencia 2016 State 9,356.2
2 Iris Shen Woodbridge 2021 State 9,331.2
3 Hannah Hui Woodbridge 2019 Regionals 9,322.9
4 Snigdha Saha Woodbridge 2020 Regionals 9,287.9
5 Kyle Chen University 2019 State 9,271.3

Scholastic

Rank Student School Year Competition Score
1 Snigdha Saha Woodbridge 2019 State 8,743.4
2 Johnny Tran Westminster 2011 Regionals 8,372.5
3 Jolyn Hoang Garden Grove 2021 Regionals 8,331.9
4 Patrick Park Woodbridge 2017 State 8,308.0
5 Alex Ballard Trabuco Hills 2016 Regionals 8,243.1

Varsity

Rank Student School Year Competition Score
1 Arian Kazerani Canyon 2016 State 8,297.8
2 Sean Hoffman Woodbridge 2016 State 7,888.7
3 Jeffrey Sau Westminster 2018 State 7,771.4
4 Daniel Kang Woodbridge 2018 State 7,700.0
5 Sugnan Suresh Woodbridge 2018 State 7,699.9

Top Individual Scorers By Division

Honors over 9,000 Points

Bold indicates that the student was also the COUNTY champion that year.

Rank Student School Year Score
1 Hannah Hui Woodbridge 2019 9,322.9
2 Snigdha Saha Woodbridge 2020 9,287.9
3 Tom Yang Woodbridge 2006 9,258.0
4 Melissa Tsaowimonsiri Woodbridge 2021 9,237.3
5 Zion Gassner Woodbridge 2020 9,209.3
6 Risha Bhat Woodbridge 2021 9,178.7
7 Kevin Li Woodbridge 2015 9,161.1
8 Hannah Hui Woodbridge 2018 9,151.7
9 Andrew Ly Westminster 2015 9,145.4
10 Kaitlyn Vu La Quinta 2018 9,144.3
11 Divya Prajapati Woodbridge 2015 9,141.4
12 Sachin Pathuri Woodbridge 2019 9,131.7
13 Catherine Park Valencia 2021 9,126.9
14 Alif Khan Canyon 2016 9,116.4
15 Deena Sun Woodbridge 2023 9,079.6
16 Sachin Pathuri Woodbridge 2018 9,069.3
17 Iris Shen Woodbridge 2021 9,048.8
18 Edwin Santos Trabuco Hills 2018 9,033.2

Scholastic over 8,000 Points

Bold indicates that the student was also the COUNTY champion that year.

Rank Student School Year Score
1 Snigdha Saha Woodbridge 2019 8,578.6
2 Johnny Tran Westminster 2011 8,372.5
3 Jolyn Hoang Garden Grove 2021 8,331.9
4 Alex Ballard Trabuco Hills 2016 8,243.1
5 Angela Gadon Woodbridge 2017 8,191.4
6 Vishnu Menon Woodbridge 2020 8,019.7

Varsity over 7,000 Points

Bold indicates that the student was also the COUNTY champion that year.

Rank Student School Year Score
1 Arian Kazerani Canyon 2016 7,841.9
2 Matt Smalley Marina 2002 7,465.0
3 Daniel Kang Woodbridge 2017 7,454.3
4 Jeffrey Sau Westminster 2018 7,413.6
5 Alan Pham Westminster 2015 7.377.9
6 Anthony Buschini Esperanza 2016 7,305.0
7 Sugnan Suresh Woodbridge 2019 7,225.0
8 Diana Che Westminster 2015 7,185.9
9 Daniel Kang Woodbridge 2018 7,165.7
10 Daniel Simanjuntak University 2019 7,155.3
11 Sean Hoffman Woodbridge 2015 7,149.0
12 Jordan Ducree Kennedy 2019 7,116.4
13 Omar Avalos Westminster 2019 7,109.6
14 Devin Yarak Servite 2021 7,050.6
15 Alexis Nielson Trabuco Hills 2022 7,011.1
16 Madelyn Rychlik Valencia 2015 7,006.0