---
type: "Bill"
title: "Maryland Longitudinal Data System - Transfer of Student Data - Modifications"
description: "Maryland Longitudinal Data System - Transfer of Student Data - Modifications"
jurisdiction: "us/states/md"
legislature: "Maryland General Assembly"
session: "2021"
identifier: "HB 320"
citation: "Maryland HB 320 (2021)"
classification: ["bill"]
subjects: []
status: "enacted"
primary_sponsors: ["Smith"]
version_count: 3
action_count: 17
vote_count: 2
first_action: "2020-10-21"
last_action: "2021-05-30"
source: "openstates"
source_identifier: "ocd-bill/191f4dd3-0826-423c-801f-ba51b6e70268"
source_url: "http://mgaleg.maryland.gov/mgawebsite/Legislation/Details/hb0320?ys=2021RS&search=True"
source_hash: "433c3be98f469219cc90a352bd317b988b9efc765876eb05097bf2aaf8e840cf"
vintage: "2026-07-01"
source_snapshot: "https://data.openstates.org/daily/2026-07-01/public.pgdump"
retrieved_at: "2026-07-06"
confidence: "reported"
tags: ["legislation", "bill", "us-md"]
---

# Maryland HB 320 (2021) — Maryland Longitudinal Data System - Transfer of Student Data - Modifications

## Version chain

The bill's text revisions, in order — the diff chain from filing to enrollment.

1. **Chapter - Maryland Longitudinal Data System - Transfer of Student Data - Modifications** (committee substitute) — [source](http://mgaleg.maryland.gov/2021RS/Chapters_noln/CH_586_hb0320t.pdf)
2. **First - Maryland Longitudinal Data System - Transfer of Student Data - Modifications** (committee substitute) — [source](http://mgaleg.maryland.gov/2021RS/bills/hb/hb0320f.pdf)
3. **Third - Maryland Longitudinal Data System - Transfer of Student Data - Modifications** (committee substitute) — [source](http://mgaleg.maryland.gov/2021RS/bills/hb/hb0320t.pdf)

## Votes

- On Third Reading — **96–35** (pass) · lower
- On Third Reading — **47–0** (pass) · upper

## Sponsors

- Smith — primary (person)

## Timeline

The legislative action history — every referral, reading, and vote.

- **2020-10-21** Pre-filed `introduction`
- **2021-01-13** First Reading Ways and Means `referral-committee`
- **2020-12-22** Hearing 1/20 at 1:30 p.m.
- **2021-02-05** Favorable Report by Ways and Means `committee-passage-favorable`
- **2021-02-11** Favorable Adopted Second Reading Passed `committee-passage-favorable`
- **2021-02-16** Motion Special Order until Next Session (Delegate Arikan) Adopted
- **2021-02-18** Third Reading Passed `passage`
- **2021-02-19** Referred Education, Health, and Environmental Affairs `referral-committee`
- **2021-03-10** Hearing 3/18 at 1:00 p.m.
- **2021-03-17** Hearing canceled
- **2021-03-18** Hearing 3/24 at 1:00 p.m.
- **2021-04-07** Favorable Report by Education, Health, and Environmental Affairs `committee-passage-favorable`
- **2021-04-07** Favorable Adopted `committee-passage-favorable`
- **2021-04-07** Second Reading Passed
- **2021-04-08** Third Reading Passed `passage`
- **2021-04-09** Returned Passed
- **2021-05-30** Enacted under Article II, Section 17(c) of the Maryland Constitution - Chapter 586 `became-law`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/191f4dd3-0826-423c-801f-ba51b6e70268`. Confidence: reported (aggregated from official Maryland legislature records).