From Google
Brenda PetersTrustindex verifies that the original source of the review is Google. A good place to get training and support when working as a substitute teacher. Saritha VemuriTrustindex verifies that the original source of the review is Google. I’ve had a great experience working with ESI as a substitute. I have been associated with ESI for 7 years, and throughout this time, the experience has been consistently positive. The onboarding process was smooth, and the platform is easy to use. Communication has been clear and timely whenever I’ve had questions. What I really appreciate is how quickly issues are addressed. Whenever I’ve encountered a concern, the support team has been responsive and helpful in resolving it efficiently. They genuinely try to make things right and ensure substitutes feel supported. Overall, it’s been a positive and professional experience, and I feel valued as part of the team. Saritha Vemuri Kim ReillyTrustindex verifies that the original source of the review is Google. ESI is truly a wonderful organization that I am privileged to represent. It has given me the opportunity to do what I’ve always wanted to do with flexibility, grace & passion. The staff is outstanding at clarity, communication and understanding. I would highly recommend this organization to those individuals that are looking for a part time opportunity, flexible schedule and a commitment in giving back to your community. Jamie ShowersTrustindex verifies that the original source of the review is Google. ESI is a wonderful company to contract with. They always answer questions in a timely. The staff is friendly and helpful. Joyce LeeTrustindex verifies that the original source of the review is Google. I like the way Educational Services pays me on time. I get my check in the mail the day after payday without fail. After reporting a minor injury, I was impressed with the phone call two weeks later checking on my condition. Kent and Lisa LewisTrustindex verifies that the original source of the review is Google. ESI is a wonderful company to work for! Patricia CunninghamTrustindex verifies that the original source of the review is Google. ESI is terrific. HR is responsive, and the training is comprehensive. Rick ChurchTrustindex verifies that the original source of the review is Google. E.S.I. consistently made it easy to substitute teach in the state of Arizona. Compared to the state I had taught in previously, everything was simple and went as promised. I am grateful to have E.S.I. providing support to me as a substitute teacher.
Client Testimonials
"We have had an excellent experience working with ESI. Their communication is consistently clear, timely, and professional. No matter the situation, whether it's a minor question or a more significant challenge, their team is always available to assist and provide valuable guidance. Their level of customer service and support is truly exceptional."
HR Specialist Catalina Foothills School District #16
"ESI has been one of my greatest supporters since becoming the substitute coordinator here at the Lake Havasu Unified School District 5 years ago. To this day, ESI continues to help me every way they can. When I reach out for help, ESI responds right away and if they don’t have an answer ESI will research and get back to me. I know I can call someone and together we can come up with a plan. I’m never left alone to figure it all by myself. Everyone I have worked with has always been very nice, attentive, and always ready to help. I truly appreciate them for all their hard work they do for us here, ESI genuinely cares about supporting both our schools and substitutes, they are a great partner to our district."
Substitute Coordinator Lake Havasu Unified School District #1
"ESI has truly mastered the art of client partnership. Not only is their team exceptionally quick to respond, but their well-designed processes make working together efficient, productive, and stress-free."
Assistant Superintendent of Human ResourcesParadise Valley Unified School District
"We are incredibly grateful for our partnership with ESI and the amazing support they have provided over the years. Their team is consistently friendly, responsive, and a pleasure to work with. The guest teachers they provide are highly qualified, professional, and truly committed to supporting student success. We are confident that our students will continue to learn, grow, and thrive when their teachers are away with support from our ESI substitutes. ESI's dedication to quality and service has made a meaningful impact on our schools, and we sincerely appreciate all they continue to do for our district!"
Human ResourcesAlhambra Elementary School District
"I have had the privilege of working with ESI for more than 10 years and have witnessed the organization's growth and expansion firsthand. Throughout that time, the quality of support, responsiveness, and customer service has never wavered. As ESI has expanded, they have remained committed to providing exceptional service and building strong relationships with the districts they serve. ESI has been an invaluable partner in helping Yuma Elementary School District One meet our staffing needs across all areas of a public school district. Their team consistently demonstrates professionalism, reliability, and a genuine commitment to supporting our organization. What truly sets ESI apart is the personable approach they bring to every interaction. Their focus on relationships, communication, and understanding the unique needs of their partners is at the forefront of everything they do. We are grateful for our longstanding partnership with ESI and appreciate the positive impact they continue to make in supporting our students, staff, and district operations."
Executive Director of HRYuma School Distict One
"ESI has been an exceptional partner to Dysart. Their team demonstrates professionalism, responsiveness, and a genuine commitment to supporting our staffing needs. Whether we require substitute coverage for a single campus or multiple sites across the district, ESI works quickly and efficiently to provide qualified personnel. What sets ESI apart is their proactive communication and dedication to customer service. They understand the unique challenges school districts face and continually go above and beyond to deliver solutions. Through our partnership, ESI has become a trusted extension of our team, helping us maintain continuity and excellence in our schools. We value our relationship with ESI and appreciate their ongoing commitment to the success of Dysart, our staff, and our students."
Substitute Coordinator Dysart Unified School District
"ESI has been a valuable partner in helping us fill teacher vacancies and ensure continuity of learning for our students. Beyond providing quality candidates, your team has consistently been collaborative, responsive, and willing to brainstorm creative solutions to address staffing challenges. We greatly value ESI's commitment to helping us keep classrooms staffed and supporting the success of our schools. Thank you for your continued partnership. We look forward to working together in the years ahead."
Glendale Elementary School District HR TeamGlendale Elementary School Districts
"This was my first year as a Sub Coordinator, and I was definitely nervous starting out. Every department was incredibly helpful in answering my questions, and I truly appreciated how quickly they always responded. I could not have made it through my first year without the support from Payroll and Recruiting. Their guidance and assistance made a huge difference. A huge shoutout to Anne Perry for always being so helpful, supportive, and responsive throughout the year,I truly appreciate all of her help. I also really enjoy the monthly Sub Coordinator chats, as they give us the opportunity to connect, hear from other districts, and learn from one another. Thank you, ESI, for all of your support during my first year!"
Sub CoordinatorCartwright Elementary School District
"Sahuarita Unified School District has found ESI to be a valued partner in helping us address staffing challenges while ensuring continuity of services for our students and schools. Their responsive customer service, cost-effective pricing structure for return-to-work employees, and high-quality substitute staffing solutions have helped us maintain stable operations and fill critical positions when needed. ESI’s commitment to supporting both employees and clients has made them a trusted workforce solutions provider that positively impacts our district and the community we serve."
Assistant SuperintendentSahuarita Unified School District
"ESI consistently provides quality substitute teachers who are prepared to step into classrooms and maintain continuity of instruction. Combined with an exceptional fill rate of over 99%, ESI significantly reduces the burden on other teachers by allowing them to focus on their own students rather than scrambling to provide coverage."
Executive Director of HRTempe Union High School District
"ESI has been a responsive and reliable partner, helping us meet staffing needs while providing practical support and consistent communication. We value the partnership and appreciate the role ESI plays in supporting our district."
Executive Director – Human ResourcesYuma Union High School District
"ESI proved to be an invaluable partner to Florence Unified School District during the five years I oversaw Human Resources as both Director and Assistant Superintendent. Their greatest impact was providing annual training for our school leaders focused on substitute teacher recruitment and retention, helping strengthen our staffing efforts across the district. Beyond their training, ESI was always responsive, proactive, and willing to go above and beyond to support the district's staffing and workforce needs. Their commitment to customer service and partnership made them a trusted and reliable resource."
Former Assistant Superintendent Florence Unified School District
"Our experience partnering with ESI has been outstanding. Their team is consistently responsive, supportive, and reliable. Whenever we need assistance, we can count on ESI to provide timely solutions and exceptional customer service. They have been a valued partner, and we truly appreciate their commitment to supporting Liberty Elementary School District."
Executive Director for Special Services Liberty Elementary School District
SubSource Program Participant Testimonials
“As a former teacher, I truly enjoy working with ESI! I am now a stay-at-home mom who is grateful for the flexibility ESI provides. I am able to pick up shifts in the district where I previously worked and have had zero issues or concerns. I have the best time! Thank you for this opportunity.”
Substitute TeacherPeoria USD
“I truly enjoy working with ESI. Staff has been extremely helpful and professional. Since I started with ESI, I have had a fantastic experience.”
Substitute TeacherMaricopa USD
“I have been extremely happy at ESI. I feel very valued, and the customer service has been outstanding.”
Substitute TeacherAvondale ESD
“I really appreciate the support and ‘one-stop-shop’ approach provided by ESI so I can work in multiple districts without a lot of rework required.”
Substitute TeacherDysart USD
“I love working for ESI, and the transition from retirement to working with the company has been seamless.”
Substitute TeacherSahuarita USD
“Working with ESI has been a great experience for my first year of substitute teaching.”
Substitute TeacherLiberty ESD
“I enjoy being part of ESI supporting school districts. ESI responds to my emails and fixes problems whenever I reach out.”
Substitute TeacherBaboquivari USD
“I just started substitute teaching and already feel more confident as I pursue my educational career. The staff have been very friendly and helpful.”
Substitute TeacherSahuarita USD
“My experience with ESI has been positive. I appreciate the opportunity to support students and staff.”
Substitute TeacherSahuarita USD
“I appreciate the communication and response time to my questions. I also appreciated the streamlined onboarding process.”
Substitute TeacherTempe ESD
“I am glad to be part of the ESI substitute teacher team. Great company and great support for substitutes.”
Substitute TeacherMaricopa USD
“I love substituting for ESI and working with the students.”
Substitute TeacherDysart USD
“I have learned so much as a substitute. I have been able to experience different grades, subjects, and school environments. A great year—thank you to all at ESI!”
Substitute TeacherFort Huachuca ASD
“Everyone has been professional, prompt, friendly, and it has been a good experience.”
Substitute TeacherDysart USD
“I always feel appreciated no matter which school I substitute at.”
Substitute TeacherdSierra Vista ESD
“My experience with ESI has been positive and beneficial.”
Substitute TeacherPrescott USD
“I love the flexibility of being a substitute and all the help I receive when I need it.”
Substitute TeacherCasa Grande ESD
“The schools I’ve worked at have been great. Staff have been very friendly and supportive.”
Substitute TeacherYuma ESD
“The staff are super helpful. It’s always a plus when the staff and principal are welcoming because I choose to be there.”
Substitute TeacherDeer Valley USD
“The school nurses are amazing, organized, and leave great information for substitute nurses. Overall, it is rewarding work.”
Substitute TeacherDeer Valley USD
“The staff has always been nice and helpful. The environment is clean and well organized, and the students are appreciative.”
Substitute TeacherFountain Hills USD
“I LOVE subbing at Valley View ELC. The staff, students, and parents are welcoming and appreciative. In more than 30 years as an educator, it is one of the best schools where I have worked.”
Substitute TeacherCatalina Foothills USD
“Freedom is a great school to substitute at. I have really enjoyed my experience and look forward to continuing to work in the district.”
Substitute TeacherLiberty ESD
“My experience has been very good. The schools and staff have been welcoming, and I have enjoyed serving students through substitute teaching.”
Substitute TeacherGlendale ESD
Encore Program Participant Testimonials
"Thank you so much:). This has absolutely been an amazing and easy experience."
Encore RetireeLitchfield ESD
"It has been a pleasure working under you guys. I enjoy it very much. I wish my last year could be with you all the way I’ve been doing this year. I would give anything to do it again and make it a happy one seeing that it would be my last year of working, but they say I can only work through you one year which is fine. I appreciate you. I loved it and I would advise everybody to do the same thank you so much for all your service and for your having patience with myself have a wonderful day and may God bless you guys all thank you."
Encore RetireeBuckeye ESD
"I, very much, enjoyed working through ESI. What seemed intimidating at first became a very smooth transition to retirement employment. The biggest issue was when I had questions. The ESI employees helped answer all my questions and put my mind at ease every time. Through it all, ESI was a very accommodating process to return to work. I appreciate all that they have done to keep me employed."
Encore RetireeTolleson UHSD
"It has been a great experience working through ESI. The hiring process was smooth, fast, and efficient. The payroll department is extraordinary as my paychecks were on-time and correct. I mostly appreciated the ease of getting information on any topic as everything is available online. For me personally, it has been a pleasure."
Encore RetireeTolleson ESD
"Thank you so much! I can’t tell you how much I appreciate your company. It allowed me to continue working in the job I love. Everything was done so efficiently and communications with your staff when I had questions was always so easy. Everyone I talked to was kind courteous and knowledgeable. I will definitely recommend ESI to my fellow colleagues!"
Encore RetireeTucson USD