Login Subscribe
    • Players/Parents
    • College Coaches
  • Arizona
    Arkansas
    California
    Colorado
    Dakotas
    Florida
    Georgia
    Illinois
    Indiana
    Iowa
    Kansas
    Kentucky
    Michigan
    Minnesota
    Missouri
    National
    Nebraska
    Nevada
    New Jersey
    Ohio
    Oklahoma
    Oregon
    Texas
    Virginia
    Washington
    Wisconsin
  • Loading...
  • Showcases
    • Exposure Tour Exposure Tour
    Tournaments
    • 2026 Tournaments 2026 Tournaments
    About Our Events
  • Prep Dig for
    • Players
    • Parents
    • Club Coaches
    • High School Coaches
    • College Coaches
    • Fans
    View All Features
    • Coverage Access Prep Dig articles year-round without ads.
    • Rankings See how players stack up across the country.
    • Player Profiles Build your own profile and join the Prep Dig database.
    • Coach Views Get notified when a college coach views your profile.
    • Profile Trends Track your Player Profile views over time.
    • Recruiting Tasks Stay on-track in the recruiting process
    • Recruiting Dashboard All your recruiting tools in a single place.
    • College Match Recommends colleges that match with your profile.
    • Coach Contacts Contact any program in the country.
    • Event Credits Save $25 on all Prep Dig showcases.
    • Recruiting Tips Become an expert on the recruiting process.
    • College Email Template Send customized emails directly to college coaches.
    • Scouts
    • How We Rank
    • Reviews
    • About Us
  • Nebraska
  • Rankings

    • How We Rank

    • Archived Rankings

    • 2026 Rankings

    • 2027 Rankings

    • 2028 Rankings
  • Club Programs
  • Player Database
  • Team Rankings

    • Overall Top 25

    • Class A

    • Class B

    • Class C-1

    • Class C-2

    • Class D-1

    • Class D-2
  • Scouts
  • Home
  • Coverage
      Arizona
      Arkansas
      California
      Colorado
      Dakotas
      Florida
      Georgia
      Illinois
      Indiana
      Iowa
      Kansas
      Kentucky
      Michigan
      Minnesota
      Missouri
      National
      Nebraska
      Nevada
      New Jersey
      Ohio
      Oklahoma
      Oregon
      Texas
      Virginia
      Washington
      Wisconsin
  • Events
      Showcases
      • Exposure Tour Exposure Tour
      Tournaments
      • 2026 Tournaments 2026 Tournaments
      About Our Events
  • Rankings
      Loading...
  • Features
      Prep Dig for
      • Players
      • Parents
      • Club Coaches
      • High School Coaches
      • College Coaches
      • Fans
      View All Features
      • Coverage Access Prep Dig articles year-round without ads.
      • Rankings See how players stack up across the country.
      • Player Profiles Build your own profile and join the Prep Dig database.
      • Coach Views Get notified when a college coach views your profile.
      • Profile Trends Track your Player Profile views over time.
      • Recruiting Tasks Stay on-track in the recruiting process
      • Recruiting Dashboard All your recruiting tools in a single place.
      • College Match Recommends colleges that match with your profile.
      • Coach Contacts Contact any program in the country.
      • Event Credits Save $25 on all Prep Dig showcases.
      • Recruiting Tips Become an expert on the recruiting process.
      • College Email Template Send customized emails directly to college coaches.
  • About Us
      • Scouts
      • How We Rank
      • Reviews
      • About Us
  • Support
Login Subscribe
Facebook
X
​
Koco
Janssen RS/S
Class
2028
Height
5'11"
HS
Gretna
|
NE
Janssen’s high-flying lefty swing has transformed any team she’s competed with. She exploded onto the club scene with...
Evaluation by Austin Kingsley
Read more at PrepDig.com
Prep Dig
Koco Janssen

Koco Janssen | Gretna

Koco Janssen

Class
2028
Position
RS/S
Height
5'11"
School
Gretna
Club Team
Premier Nebraska Volleyball
State
Position
Unlock Rankings
  • Overview
  • Player Bio
  • Verify Player
  • Evaluation
  • News
  • Gallery

About Koco

Koco Janssen is a 5'11" Right-Side Hitter/Setter in the 2028 class. Janssen attends Gretna in Nebraska and plays club volleyball for Premier Nebraska Volleyball. Janssen's Player Profile was created on July 24, 2024. Subscribe to Prep Dig to see where Koco Janssen is ranked and what our scouts have written about them.

Player Claimed

This player is currently claimed. If you think this is an error, please contact us.

Expert Analysis
​
Koco
Janssen RS/S
Class
2028
Height
5'11"
HS
Gretna
|
NE
Koco Janssen
Janssen’s high-flying lefty swing has transformed any team she’s competed with. She exploded onto the club scene with...
Written by Austin Kingsley
Read more at PrepDig.com
Prep Dig

Written by Austin Kingsley in Nebraska Prep Dig Showcase Alums Shine at USAV Nationals
Janssen’s high-flying lefty swing has transformed any team she’s competed with. She exp...
Prep Dig

Access all of Prep Dig

Subscribe to read about this player

Read Evaluation
Already a subscriber? Log in

News

Nebraska 2028 Rankings Update: The First Top 50

Nebraska 2028 Rankings Update: The First Top 50

Austin Kingsley • August 19, 2025

August Rankings Update: Who moved up the rankings in Nebraska's 2028 class?

August Rankings Update: Who moved up the rankings in Nebraska's 2028 class?

Prep Dig Staff • August 19, 2025

Updated 2028 Nebraska Rankings

Updated 2028 Nebraska Rankings

Prep Dig Staff • August 19, 2025

Ten Nebraska Teams Loading Up for Postseason Repeat in 2025

Ten Nebraska Teams Loading Up for Postseason Repeat in 2025

Austin Kingsley • August 11, 2025

Nebraska Prep Dig Showcase Alums Shine at USAV Nationals

Nebraska Prep Dig Showcase Alums Shine at USAV Nationals

Austin Kingsley • July 13, 2025

Nebraska 2028 Update: Can’t-Miss Athletes “Playing Up” (Pt. 1)

Nebraska 2028 Update: Can’t-Miss Athletes “Playing Up” (Pt. 1)

Austin Kingsley • May 14, 2025

Related Players

View other players from the same club team.

Adara Fowlkes

Adara Fowlkes

MB
5'9" • 2028 • Nebraska
Addison Nguyen

Addison Nguyen

S
5'4" • 2028 • Nebraska
Alexis Potts

Alexis Potts

MB
5'11" • 2028 • Nebraska
Allison Liebentritt

Allison Liebentritt

MB
6'2" • 2028 • Nebraska
Ally Eikmeier

Ally Eikmeier

MB
5'9" • 2028 • Nebraska
Anna Rangel

Anna Rangel

DS/L
5'7" • 2028 • Nebraska
Audrey Galyen

Audrey Galyen

S/RS
5'6" • 2028 • Nebraska
Ava Nowling

Ava Nowling

DS/L
5'6" • 2028 • Nebraska
Averi Webster

Averi Webster

MB
5'9" • 2028 • Nebraska
Avery Whaley

Avery Whaley

DS/L
5'6" • 2028 • Nebraska
Bella Mueller

Bella Mueller

MB
5'11" • 2028 • Nebraska
Brady Spangler

Brady Spangler

DS/L
5'7" • 2028 • Nebraska
Brooklyn Beethe

Brooklyn Beethe

DS/L
5'4" • 2028 • Nebraska
Campbell Hoeft

Campbell Hoeft

DS/L
5'4" • 2028 • Nebraska
Carley Jorczak

Carley Jorczak

OH/RS
5'10" • 2028 • Nebraska
Claire Luthi

Claire Luthi

MB
5'9" • 2028 • Nebraska
Emary Cooper

Emary Cooper

OH/RS
6'0" • 2028 • Iowa
Emery Taylor

Emery Taylor

OH/RS
5'8" • 2028 • Nebraska
Emma Hall

Emma Hall

RS
5'7" • 2028 • Nebraska
Grace Rued

Grace Rued

MB
5'10" • 2028 • Nebraska
Grace Scheef

Grace Scheef

OH/RS
5'8" • 2028 • Nebraska
Hannah Johnson

Hannah Johnson

RS/MB
5'9" • 2028 • Nebraska
Jenna Walters

Jenna Walters

MB/RS
6'1" • 2028 • Nebraska
Jillian Fabrikant

Jillian Fabrikant

OH
5'8" • 2028 • Nebraska
Jordan Frink

Jordan Frink

OH/DS/L
5'9" • 2028 • Nebraska
Kaitlyn Wright

Kaitlyn Wright

S/RS
5'8" • 2028 • Nebraska
Kate Lamme

Kate Lamme

S
5'7" • 2028 • Nebraska
Katelyn Dyrstad

Katelyn Dyrstad

DS/L
5'6" • 2028 • Nebraska
Katie Callahan

Katie Callahan

OH/DS/L
5'7" • 2028 • Nebraska
Kaylynn Mailloux

Kaylynn Mailloux

MB/RS
5'9" • 2028 • Nebraska
Leighton Froehlich

Leighton Froehlich

MB
6'1" • 2028 • Nebraska
Logann Dostal

Logann Dostal

OH/RS
5'10" • 2028 • Nebraska
Maci Jensen

Maci Jensen

S
5'4" • 2028 • Nebraska
Maddox Bailiff

Maddox Bailiff

OH/DS/L
5'6" • 2028 • Nebraska
Molly McGreer

Molly McGreer

S/RS
5'8" • 2028 • Nebraska
Norah Beran

Norah Beran

DS/L
5'6" • 2028 • Nebraska
Payton Farley

Payton Farley

DS/L/S
5'5" • 2028 • Nebraska
Payton Johnson

Payton Johnson

DS/L
5'5" • 2028 • Nebraska
Presley Vacek

Presley Vacek

DS/L
5'2" • 2028 • Nebraska
Riley Wellensiek

Riley Wellensiek

RS/S
5'9" • 2028 • Nebraska
Sara Foley

Sara Foley

OH/DS/L
5'10" • 2028 • Nebraska
Scarlett Grow

Scarlett Grow

DS/L/OH
5'7" • 2028 • Nebraska
Sydney Bartholet

Sydney Bartholet

RS
5'10" • 2028 • Nebraska
Teagan Nielsen

Teagan Nielsen

OH/RS
5'11" • 2028 • Nebraska
Tess Solomon

Tess Solomon

S/RS
5'8" • 2028 • Nebraska

View other players from the same high school.

Addie Schuka

Addie Schuka

DS/L
5'2" • 2025 • Nebraska
Addison Palmer

Addison Palmer

RS
5'8" • 2025 • Nebraska
Elle Heckenlively

Elle Heckenlively

OH
5'10" • 2025 • Nebraska
Karrigan Gangwish

Karrigan Gangwish

DS/L
5'6" • 2025 • Nebraska
Paige Prentice

Paige Prentice

OH
5'9" • 2025 • Nebraska
Ava Furstenau

Ava Furstenau

MB
5'8" • 2026 • Nebraska
Halle Mason

Halle Mason

RS
5'8" • 2026 • Nebraska
Isabella Rangel

Isabella Rangel

DS/L
5'8" • 2026 • Nebraska
Kailynn Melendez

Kailynn Melendez

DS/L
5'3" • 2026 • Nebraska
Kaylee Spath

Kaylee Spath

MB
5'9" • 2026 • Nebraska
Kendra Gross

Kendra Gross

RS
5'8" • 2026 • Nebraska
Kenley Froehlich

Kenley Froehlich

DS/L
5'6" • 2026 • Nebraska
Lily Zimmerman

Lily Zimmerman

DS/L
5'5" • 2026 • Nebraska
Maggie Miller

Maggie Miller

S
5'8" • 2026 • Nebraska
Morgan Zabloudil

Morgan Zabloudil

RS
5'9" • 2026 • Nebraska
Reese Stradal

Reese Stradal

OH
5'10" • 2026 • Nebraska
Addy Banta

Addy Banta

MB
5'6" • 2027 • Nebraska
Alexis Gilliam

Alexis Gilliam

RS
5'8" • 2027 • Nebraska
Nevaeh Hilderbrand

Nevaeh Hilderbrand

OH
5'11" • 2027 • Nebraska
Anna Rangel

Anna Rangel

DS/L
5'7" • 2028 • Nebraska
Ava Nowling

Ava Nowling

DS/L
5'6" • 2028 • Nebraska
Averi Webster

Averi Webster

MB
5'9" • 2028 • Nebraska
Bella Mueller

Bella Mueller

MB
5'11" • 2028 • Nebraska
Claire Luthi

Claire Luthi

MB
5'9" • 2028 • Nebraska
Karoline Koco Janssen

Karoline Koco Janssen

RS
5'10" • 2028 • Nebraska
Kerrigan Kava

Kerrigan Kava

MB
6'0" • 2028 • Nebraska
Leighton Froehlich

Leighton Froehlich

MB
6'1" • 2028 • Nebraska
Logann Dostal

Logann Dostal

OH/RS
5'10" • 2028 • Nebraska

Gallery

Loading...
Home Nebraska Player Rankings Koco Janssen

Want to read more about Koco Janssen?

Subscribe Today

Prep Network

  • Prep Network
  • Prep Dig
  • Prep Girls Hoops
  • Prep Hoops
  • Prep Lacrosse
  • Prep Redzone
  • Prep Soccer
  • Prep Softball

Company

  • News
  • About
  • Careers
  • Store
  • Partner Interest Form

Resources

  • Terms of Service
  • Privacy Policy
  • Accessibility
  • Cookie Policy
  • NCSA College Recruiting
  • Recruiting Tips
  • Student Loan Resources
  • College Scholarship Search

Support

  • My Account
  • Contact
  • Sitemap

© 2025 Prep Dig. All rights reserved.