Reference

U.S. education glossary

The acronyms districts are sold, defined without the sales pitch attached.

Direct answer
This glossary defines the U.S. K–12 education and technology terms that appear in procurement, accountability and AI conversations.

It covers platform categories (SIS, LMS, school ERP), federal programs and law (ESSA, Title I, IDEA, FERPA), instructional structures (MTSS, RTI, IEP, 504), assessment terms, and AI vocabulary.

Platform categories

Student information system (SIS)

The system of record for student data: enrollment, demographics, scheduling, attendance, grades, discipline and transcripts. See student information system.

Management information system (MIS)

The UK term for what U.S. schools call an SIS. Functionally equivalent; the difference is regional vocabulary, which regularly confuses international procurement.

Learning management system (LMS)

Software for delivering and tracking instructional content: courses, materials, submissions, discussion and grading. An LMS is about instruction; an SIS is about records. Many districts run both and reconcile them by hand.

School ERP

Enterprise resource planning applied to schools — an SIS with substantial finance, procurement, inventory and HR capability. More common terminology outside the U.S.

LTI

Learning Tools Interoperability, the standard that lets an external tool integrate with an LMS or SIS with single sign-on and roster and grade passback. The practical reason a district can adopt a new instructional tool without replacing its system of record.

Governance and structure

LEA

Local Education Agency — a school district or equivalent local governing body.

SEA

State Education Agency — the state department of education.

CMO / EMO

Charter Management Organization or Education Management Organization — entities operating multiple charter schools.

Federal law and programs

ESSA

Every Student Succeeds Act, the federal K–12 accountability law, which requires disaggregated reporting and accountability by student subgroup. See ESSA reporting.

Title I

Federal funding to schools and districts with high concentrations of students from low-income families, with associated program and documentation requirements.

IDEA

Individuals with Disabilities Education Act, governing special education services and adding confidentiality obligations around special education records.

FERPA

Family Educational Rights and Privacy Act, governing the privacy of student education records. See FERPA and student data privacy.

COPPA

Children’s Online Privacy Protection Act, governing collection of personal information from children under 13 by online services.

PPRA

Protection of Pupil Rights Amendment, governing surveys and collection of protected information, with parental notice and consent rights.

Instruction and support

IEP

Individualized Education Program — the legally binding plan for a student receiving special education services under IDEA.

504 plan

A plan under Section 504 of the Rehabilitation Act providing accommodations for a student with a disability who does not require specialized instruction.

MTSS

Multi-Tiered System of Supports — a framework organizing academic and behavioral support into tiers of increasing intensity, with data determining movement between tiers. Requires standards-level data to work properly; a composite score cannot tell a team what to intervene on.

RTI

Response to Intervention — the academic-focused predecessor and component of MTSS.

English learner (EL)

A student identified as needing English language development support. ESSA requires reporting of English learner progress toward proficiency as an accountability indicator.

Differentiation

Adjusting instruction, task or support so students at different starting points can access the same standard.

Standards and curriculum

Common Core State Standards

Shared English language arts and mathematics standards adopted by many states, with several states having since revised or replaced them under their own names.

NGSS

Next Generation Science Standards, structured around performance expectations combining disciplinary core ideas, science practices and crosscutting concepts.

TEKS

Texas Essential Knowledge and Skills, the Texas state standards. See Texas.

B.E.S.T. Standards

Florida’s Benchmarks for Excellent Student Thinking. See Florida.

CTE

Career and Technical Education — programs of study aligned to career pathways, often with industry certification outcomes.

Assessment

Formative assessment

Assessment during learning that informs what happens next. Diagnostic, not certifying. A check that changes tomorrow’s lesson is formative; the same quiz recorded as a grade and never acted on is not.

Summative assessment

Assessment at the end of a period of learning that certifies attainment.

Interim / benchmark assessment

Periodic assessment through the year used to predict summative performance and target intervention.

Mastery tracking

Recording performance against specific standard codes rather than topics, so reports show which precise skill is insecure. See assessment.

Depth of Knowledge (DOK)

Webb’s framework for classifying cognitive complexity, widely used to calibrate tasks against state assessment demand.

Growth vs. proficiency

Proficiency measures whether a student met a standard; growth measures how much they progressed. ESSA accountability generally uses both, and they can point in opposite directions for the same school.

Attendance

Chronic absenteeism

Missing 10% or more of enrolled days for any reason, excused or unexcused. Counts students rather than days. See attendance and family engagement.

Average daily attendance (ADA)

The average proportion of enrolled students present. Used for funding in many states, and a poor indicator of whether individual students are missing school, because it averages the problem away.

Technology and AI

AI in education

Use of artificial intelligence to support teaching, learning, assessment and administration. See AI in education.

Pedagogy with AI

Using AI to design, adapt and evidence instruction while the teacher retains professional judgment and accountability, anchored to a stated instructional model and a named standard code. See Pedagogy with AI.

Adaptive learning

Software adjusting content or difficulty based on student responses, with the algorithm setting the path rather than the teacher.

Generative AI

AI producing new content rather than classifying or predicting. The category that forced reconsideration of take-home assessment.

Data privacy agreement (DPA)

A contract governing vendor handling of student data. Many states and consortia maintain standard forms vendors are expected to sign without amendment.

Common questions

Frequently asked

What is the difference between an SIS and an LMS?

An SIS is the system of record for student data — enrollment, scheduling, attendance, grades and transcripts. An LMS delivers and tracks instructional content. Many districts run both separately and reconcile them by hand.

What is MTSS?

Multi-Tiered System of Supports is a framework organizing academic and behavioral support into tiers of increasing intensity, with data determining movement between tiers. It requires standards-level data to function, because a composite score cannot tell a team what to intervene on.

What is the difference between an IEP and a 504 plan?

An IEP is a legally binding plan for a student receiving special education services under IDEA. A 504 plan provides accommodations under Section 504 of the Rehabilitation Act for a student with a disability who does not require specialized instruction.

What is chronic absenteeism?

Missing 10% or more of enrolled school days for any reason, excused or unexcused. It counts students rather than days, which is why it reveals problems that average daily attendance conceals.

What is LTI?

Learning Tools Interoperability is the standard allowing an external tool to integrate with an LMS or SIS with single sign-on, roster sync and grade passback. It is the practical reason a district can adopt a new instructional tool without replacing its system of record.

What is the difference between growth and proficiency?

Proficiency measures whether a student met a standard; growth measures how much they progressed. ESSA accountability generally uses both, and for the same school they can point in opposite directions.

See it run on your own standards.

A 20-minute walkthrough using your state’s standards, your evaluation framework and your reporting requirements.

Schedule a demo

Keep reading