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Meet Our Faculty & Staff

Sarah Anderson image

Sarah Anderson

LS Music

Dr. Sandra Argüelles

LS Spanish

Ezekiel Aurelius

Latin & Mythology

Sarah Anderson image

Luke Austin

6th-12th History

Aubrey Barnes

4th Grade

Amy Carbonneau

5th Grade

Robb Christensen

3D Art & Ceramics

Sarah Coomber

Kindergarten

Dr. Edgar Crockett

MS/US Music & Band

Julia Durango

3rd Grade

Elaine Ferris

MS/US Science

Dr. Bhaswati Gangopadhyay

Physics

Sydney Greer

Kindergarten -12th Grade Art

Tiffany Johnson

English as a Second Language (ESL) & US Teaching Faculty

Allyson Knanishu

2nd Grade

John Mahlo

1st Grade

Dr. Blanchard Onanga Ndjila

English & French

Montanna Nicolai

Mathematics

Maggie Pena

Pre-Kindergarten
(2-3 year olds)

Leigh Ann Schroeder

PS-12th Curriculum Coordination & 6th-12th Grade History

Kristin Skaggs

PS-12th Faculty Development Coordinator, Theatre & English

Warren Snook

Math & Computer Science

Maria Surma

6th-12th Grade Spanish

Krista Wallace

Math & MakerSpace

Amber Weeks

Junior Kindergarten
(4 year olds)

Dr. Scott Wellnitz

US Science

Contact Administration

C. Max Roach

Headmaster

Collin Lawrence

Assistant Head of School

Mitzi Austin

Assistant Head of School for Academic Affairs (6th-12th) &
Director of College Counseling

Drew Boster

Director of Development

Payton Brasher

Director of Residential Life

Bonnie Campbell

International Programs Director

Tia Green

Human Resources Manager &
Accounting Specialist

Michelle Grimm

Dean of Students &
Athletic Director

Zackary Murphy

Physical Education (K-10),
Assistant Dean of Student Life, & Assistant Athletic Director

Linda Paget

Assistant to the Headmaster

Gina Reed

Finance Director

Becca Rice

Assistant Head of School for Academic Affairs, Administrative Assistant (PK-5th), & Rowing Coach

Charles Rodriguez

Facilities Director

Sandra Grace Sherman

Admissions Liaison

Marc Studer

Chef

Jill Weitzel

Communications Director

Sarah Anderson

LS Music

Sarah has a B.A. from Augustana College

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Dr. Sandra Argüelles

LS Spanish

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Ezekiel Aurelius

Latin & Mythology

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Luke Austin

6th-12th History

B.A. – University of the South, Sewanee, Tennessee
M.A. – University of Wyoming, Laramie, Wyoming

“A thorough knowledge of the past, the ability to critically assess evidence, and a capacity for organizing and clearly expressing an argument provide myriad and useful advantages to those who possess them. I challenge my students to achieve a nuanced understanding of history, to apply its lessons to deal with contemporary issues, and to develop the skills essential for success in life beyond Rivermont Collegiate.”

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Aubrey Barnes

4th Grade

B.A. – Western Governors University

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Amy Carbonneau

5th Grade

M.A. – University of Nottingham

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Robb Christensen

3D Art & Ceramics

M.A . – Saint Xavier

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Sarah Coomber

Kindergarten

B.A. – Carleton College
M.Ed. – University of Toronto
B.Ed. – St. Ambrose University with a Reading (K-8) Endorsement.

“My goal as an educator is to create a learning environment that embraces the natural curiosity, creativity, and joy of the young learner.”

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Dr. Edgar Crockett

MS/US Music & Band

B.M. – James Madison University
M.M. – Arizona State University
Ph.D. – University of Iowa

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Julia Durango

3rd Grade

B.A., M.A. University of Illinois at Urbana-Champaign

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Elaine Ferris

MS/US Science

Masters – Drake University
B.S. – Northern Illinois University

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Dr. Bhaswati Gangopadhyay

Physics

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Sydney Greer

Kindergarten -12th Grade Art

B.A. – Augustana College

“My goal, through an encouraging and constructive environment, is to offer a combination of structure and choice. Furthermore – to expose students to the elements and principles of design through a wide variety of mediums. It is my aspiration to equip each student with the knowledge and skills to be able to successfully express emotions and communicate powerful messages to the changing world around us.”

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Tiffany Johnson

English as a Second Language (ESL) & US Teaching Faculty

B.A. – Southern Illinois University
M.A. – University of Iowa

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Allyson Knanishu

2nd Grade

M.S. & MLA – Western Illinois University
B.Ed. – St. Ambrose University

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John Mahlo

1st Grade

B.A. – Western Illinois University

“I love that Rivermont’s small class sizes give us the opportunity to meet every student’s academic needs individually.”

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Dr. Blanchard Onanga Ndjila

English & French

Doctorate – Bordeaux 3 University in France
Masters – University of Iowa
Masters – Poitiers University in France
B.A. – Poitiers University in France

“For me, teaching comes down to sharing my own educational background, my own story and teaching experiences to motivate students to learn and understand the positive impact they could make on the world through education. So far, that part of my teaching has always been very well received and appreciated by the students. Therefore, I always like to help them realize areas they need to work on the most. In the final analysis, teaching, to me, is all about sharing my knowledge with the students. This is primarily done by encouraging them to participate in in-class activities. It is also done by setting goals and giving them the academic tools that will ultimately help them develop, mature, and interact with the world. Interacting with students in such a way that encourages them to ask me as many questions as possible is important to me.”

Dr. Onanga is also a published author. His books include: NKANI: An African Prophecy and Onkere: An African Boy’s Story of Struggle, Resilience, and Determination 

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Montanna Nicolai

Mathematics

B.S. – Northwest Missouri State University, M.S. – Northwest Missouri State University

“I teach the art of problem-solving, not number crunching. I push my students to view mathematics as an ecosystem where everything supports each other and builds on each other. Everything I teach them is connected to what they already know and understand. This empowers them to feel confident in using every tool at their disposal to solve any problem.”

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Maggie Pena

Pre-Kindergarten
(2-3 year olds)

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Leigh Ann Schroeder

PS-12th Curriculum Coordination & 6th-12th Grade History

B.A. – Augustana College

“What I would like students to take away from my classes, is that history is ever unfolding and alive, not just dates and names in a book. History is a story with characters, conflict, and compromises that need to be discovered to better understand the situations we are in today. Learning from the successes and failures of the past, allows us to move forward as a society.”

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Kristin Skaggs

PS-12th Faculty Development Coordinator, Theatre & English

B.A. – St. Ambrose University

“My goal is to create a learning environment that focuses on providing opportunities for us to become better readers, writers, speakers, thinkers, and people. Through exploration, communication, collaboration, and reflection, we learn and grow.”

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Warren Snook

Math & Computer Science

B.S. – Western Illinois University

“I believe that in order to be a successful teacher, one must create meaningful relationships and connections with his or her students. Once the foundation is built, teaching and learning complement one another through the teacher-student relationship.”

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Maria Surma

6th-12th Grade Spanish

Bachelor’s – ELS Teacher, Argentina
Master’s – Bilingual Education, Western Illinois University

“I would like to think of myself as a challenger, an eye opener, a brain teaser, a guiding hand through the exquisite complexities of language. I want my students to develop language skills rather than knowledge. Their skills will help them solve any puzzle. Their knowledge might sometimes prevent them from flying.”

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Krista Wallace

Math & MakerSpace

B.S. – Wentworth Institute of Technology

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Amber Weeks

Junior Kindergarten
(4 year old)

B.A. – Blackhawk College/Western Illinois University

A quote from my children’s favorite book. “The very Hungry Caterpillar” story is about hope. You, like the little caterpillar, will grow up, unfold your wings and fly off into the future.” Eric Carle

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Dr. Scott Wellnitz

Upper School Science

B.S. – University of Kansas
Ph.D. – Baylor College of Medicine

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C. Max Roach

Headmaster

Max is a passionate and collaborative career educator entering his 23rd year in the Education industry. Mr. Roach completed his B.A. in Education from Westminster College and began teaching in Salt Lake City. Roach attended graduate classes at the University of Utah and is ABD for a M.A. in Teaching English as a Second Language. Seeking instead to enter administration, Mr. Roach started over and completed his M.Ed. in Educational Management and Innovation. Additionally, Mr. Roach was asked to join the All Kinds of Minds National Teaching Faculty and National Facilitator Advisory Board. Headmaster Roach also completed coursework at Vanderbilt University to become a Peabody Fellow of Education in Independent School Leadership.

Max’s wife, Alethea, has supported Rivermont Collegiate as a registered nurse and girls’ dorm parent. Their oldest son, Aidan, graduated from Rivermont in 2022. Their three school-aged sons, Porter (16), Charlie (14), and Henry (7), are enrolled at Rivermont. Max and his family are passionate outdoor adventurers, enjoying hiking, biking, snow sports, camping, etc. Max enjoys playing the ukulele, teaching classical Japanese martial arts, and traveling.

Mr. Roach has worked as a classroom teacher, learning specialist, Department Chair, and Dean of Teaching and Learning Division Director before heading a school. Mr. Roach is now entering his 8th year as a Head of School.

563-359-1366
mroach@rivermontcollegiate.org

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Collin Lawrence

Assistant Head of School

563-359-1366 Ext. 335
clawrence@rivermontcollegiate.org

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Mitzi Austin

Assistant Head of School for Academic Affairs (6th-12th) & Director of College Counseling

563-359-1366×324
maustin@rivermontcollegiate.org

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Drew Boster

Director of Development

563-359-1366×314
dboster@rivermontcollegiate.org

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Payton Brasher

Director of Residential Life

563-359-1366
pbrasher@rivermontcollegiate.org

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Bonnie Campbell

International Programs Director

563-359-1366×304
bcampbell@rivermontcollegiate.org

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Tia Green

Human Resources Manager & Accounting Specialist

563-359-1366×309
tgreen@rivermontcollegiate.org

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Michelle Grimm

Dean of Students & Athletic Director

563-359-1366 Ext. 321
mgrimm@rivermontcollegiate.org

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Zackary Murphy

Physical Education (K-10),
Assistant Dean of Student Life, &
Assistant Athletic Director

563-359-1366
zmurphy@rivermontcollegiate.org

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Linda Paget

Assistant to the Headmaster

563-359-1366×301
lpaget@rivermontcollegiate.org

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Gina Reed

Finance Director

563-359-1366×315
gina.reed@rivermontcollegiate.org

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Becca Rice

Assistant Head of School for Academic Affairs (PK-5th), Administrative Assistant (PK-5th), & Rowing Coach

563-359-1366×337
rrice@rivermontcollegiate.org

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Charles Rodriguez

Facilities Director

563-359-1366×347
crodriguez@rivermontcollegiate.org

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Sandra Grace Sherman

Admissions Liaison

563-359-1366×302
sgrace@rivermontcollegiate.org

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Marc Studer

Chef

563-359-1366×336
mstuder@rivermontcollegiate.org

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Jill Weitzel

Communications Director

563-359-1366×308
jweitzel@rivermontcollegiate.org

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