High-Impact Tutoring Database

NSSA Program Design Badge Picture

This database lists organizations that offer tutoring, technology platforms, or academic interventions. It is intended for: Districts, States or nonprofits to identify potential tutoring partners, potential tutors to identify potential employers, and tutoring organizations to have a clearer understanding of the landscape and identify interventions that might be useful to their programs.

This is not an exhaustive list, and an organization’s inclusion does not indicate that the National Student Support Accelerator or Stanford University endorse the organization. All information is submitted voluntarily by the organizations themselves. We welcome additional organizations to join the database by completing this form.

Several organizations listed have earned the NSSA Tutoring Program Design Badge, which can be found using the filters on the left side and then visible on the organization’s database profile. An organization earns the NSSA Tutoring Program Design Badge when they submit sufficient evidence that their program design aligns with research-backed Tutoring Quality Standards.

Note: The Tutoring Program Design Badge does not assess fidelity of implementation of the program design.

Please note that some of these programs are also listed on ProvenTutoring.org where you can find additional information on relevant research studies and costs.


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Two-year computing and mathematics-based curriculum for Key Stage 2 pupils.

Seaside SpEd is a women- and disabled-owned tutoring organization that helps all students achieve their elementary math, literacy, writing, and social skills goals.


Tutoring Available In:

* MATH: basic math through geometry and algebra 2 (at any age)

* LANGUAGE: all levels / ages: grammar, reading, writing, spelling, vocabulary, editing

* TEST PREP: - college admissions / placement: SAT, ACT, CLEP, PERT, CPT, ACCUPLACER, TABE, etc.

- private school entrance: ISEE, SSAT, COOP, etc.

- nursing school entrance: TEAS, PAX, HESI - graduate school admissions: GRE, GMAT, and LSAT

- military entrance: ASVAB

- high school equivalency: GED


We provide one-to-one tutoring for adult education and high school equivalency preparation (GED/TASC/HiSET) at two Cleveland-area locations, as well as nationally in our Virtual Classroom, conducted through Zoom. Our tutors are all volunteers. Unlike other programs, tutors may work with a different student each day. Because our adult learners did not succeed in more traditional classroom settings, our program offers the ultimate flexibility. 


Since 2020, Sharity Tutoring Inc. has been committed to supporting our community by providing free tutoring services to as many children as possible. On top of managing countless AP, IB, and AICE classes, the tutors at Sharity Tutoring are extremely involved in their community and are dedicated to providing academic assistance as well as guidance to students in grades K-12. By booking an appointment, individuals will receive a private virtual tutoring session completely free of cost.


Simplifi EDU is a private online tutoring company working with both private clients and school districts utilizing state-awarded grants for after-school academic tutoring programs. Our team of tutors is well equipped to assist students in grades 6th-12th in Math, Science, and English. Simplifi EDU will develop a tutoring program that caters to each district's specific needs, including:
- A partnership dedicated to building quality tutor-student-parent relationships.


Our core services include offering comprehensive high impact tutoring which includes building, training, monitoring and being held accountable for a team of tutors for your school as well as providing high impact tutoring directly both virtually and in-person. We also help districts build their own math teacher pipeline by training and supporting para educators and community members to love math, addressing their anxiety and focusing on inclusive math environments for all learners. Our training focuses on building conceptual understanding, problem-solving, and number sense with students.


SIPPS (Systematic Instruction in Phonological Awareness, Phonics, and Sight Words) is a research-based foundational skills program proven to help both new and struggling readers in grades K-12 build skills and confidence for fluent, independent reading.


SiSTEM offers online or in-person tutoring sessions in a group or privately. Students age 4 and up can get academic help in science, math, english and foreign language subjects. Our online tutoring sessions are accessible through your smartphone, tablet, or computer right here on our website.


Smart Brain Tutorial and Learning Center is dedicated to empowering students of all ages by offering personalized, high-quality tutoring and educational support. Our mission is to foster academic excellence, critical thinking, and lifelong learning, helping students become confident and capable learners ready to excel in their academic journeys.


Start Making a Reader Today® (SMART®) is a volunteer program widely implemented in Oregon for students in grades preK-3 who are at risk of reading failure. The program is designed to be a low-cost, easy-to-implement intervention. Volunteer readers go into schools where at least 40% of students are eligible for free or reduced-price lunch and read one-on-one with students twice a week for half an hour.


SmartStart provides one-on-one and small-group tutoring services in all levels of mathematics and ELA. SmartStart has provided tutoring services for over 35,000 students, attending hundreds of schools, in over 100 districts. Over 95% of SmartStart’s students come from ethnic/racial minorities. Nearly 25% of SmartStart’s students are English Language Learners, and nearly 15% of our students are designated as having special needs.


Subscription service for college students to ask questions via phone app.

We analyze your child's strengths and weaknesses through a free diagnostic test and then create a personalized strategy that will focus on their weak points and teach the tricks of the SAT/ACT.


SPARK Early Literacy provides in-school tutoring, family engagement, and opportunities to attend after-school activities to all students in high-poverty schools, not just to low achievers. SPARK Early Literacy tutors work with K5-3rd grade struggling readers, using a set lesson plan and program materials.


SpecialEdResource offers specialized one-on-one tutoring services designed to help children with special needs excel academically. With a team of experienced tutors who understand the unique learning styles of children with disabilities, the platform tailors each tutoring session to meet the individual needs of the student. Through personalized instruction, the tutors focus on building core skills, boosting confidence, and promoting long-term academic success.


S.P.I.R.E. is a research-proven reading intervention program for your lowest performing students. Its teacher-led 10-Step Lesson plan methodically walks them through phonemic awareness and phonics, then spelling, vocabulary, comprehension, and fluency — instilling and reinforcing every stage of reading development.

Spivey Education is a collection of math educators dedicated to adapting real classroom experience in order to make online math tutoring personalized and effective.


Springboard's recipe for impact is a method we call Family-Educator Learning Accelerators (or FELAs). FELAs are 5-10-week cycles during which teachers and parents team up to help kids reach learning goals. Programming combines personalized reading instruction for PreK-3rd graders, weekly workshops training parents as reading coaches, and professional development for educators.


Sprout and S.T.E.M. is a nonprofit organization focused on providing the educationally disadvantaged with access to after-school supplementation, such as tutoring and mentorship.

Visual math program that builds a deep conceptual understanding of math through rigorous learning and creative problem solving.

Startup Reading rebalances the resources a teacher employs to deliver reading lessons to the individual student with the appropriate level of personal engagement.

Our approach uses digital reading lessons developed and tested in the classroom and in tutoring sessions to deliver individual reading lessons to the student.


STEP (Supporting Tutors Engaging Pupils) is a structured tutoring program designed to help build reading and language skills in K-3 students who are below grade level. The goal of STEP is to provide skill-based instruction to improve literacy outcomes by helping students acquire the skills necessary for literacy success.

Step Up Tutoring is a non-profit organization that recruits, screens, trains, matches and supports volunteer tutors with elementary school students for twice per week online tutoring and mentoring. Tutoring currently focuses on English Language Arts and math. 


Stepping Stones to Literacy (SSL) is a supplemental curriculum designed to promote listening, print conventions, phonological awareness, phonemic awareness, and serial processing/rapid naming (quickly naming familiar visual symbols and stimuli, such as letters or colors).


Steps to Success is a Supplemental Service Provider for the Colorado Department of Education, offering one-on-one reading tutoring using multisensory, synchronous online instruction from a tutor and blended instruction with Lexia Reading Core 5.

The sudden switch to virtual learning impacted all K-12 students, the ones whose education was impacted most were elementary and middle schoolers.  Our team saw an opportunity to build a community to teach young students and help older students meet their graduation requirements through Student Power.


We offer 1:1, customized live online tutoring for students from Kindergarten through college in all academic subjects. We also have structured, proven curricular offerings in: Science of Reading/Barton reading (phonics instruction), Executive Functioning/Study Skills support for grades 3 through college, and a Writing Enrichment program that takes students through different writing genres for enrichment or skill building.


SuccessMaker is a learning program that functions much like a personal tutor for students. It has a reading and a math component. Your school could be using reading or math or both.

Identify gaps in learning (*focusing on reading intervention) that are preventing student success; and address the gaps in a highly efficient manner, using high-quality phonics curriculum.