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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<title>Equity Considerations - Boston Family Days</title>
<link rel="preconnect" href="https://fonts.googleapis.com" />
<link rel="preconnect" href="https://fonts.gstatic.com" crossorigin />
<link
href="https://fonts.googleapis.com/css2?family=Crimson+Pro:wght@300;400;600;700&family=DM+Sans:wght@400;500;700&display=swap"
rel="stylesheet" />
<link rel="stylesheet" href="styles/styles.css" />
</head>
<body>
<div class="demo-banner">
HKS Student Demo Project *This is not an official Boston website. This is
an unofficial student project for Programming and Data for Policymakers
course.*
</div>
<!-- City of Boston Official Header -->
<header class="boston-header">
<nav class="boston-nav">
<div class="boston-nav-content">
<div class="boston-logo">
<span class="city-text">CITY of</span>
<span class="boston-text">BOSTON</span>
</div>
<div class="tabs-nav">
<a href="home.html" class="tab-btn">Home</a>
<a href="index.html" class="tab-btn">Implementation Guide</a>
<a href="equity.html" class="tab-btn active"
>Equity Considerations</a
>
</div>
</div>
</nav>
</header>
<div class="container">
<div class="section-header">
<div class="section-number">02</div>
<h2>Equity Considerations</h2>
</div>
<div class="card">
<div class="equity-card">
<div class="equity-card-title equity-approach">Equity approach</div>
<div class="equity-card-body">
<p style="margin-bottom: 0.7em">
<em
>A combined weighting based on both of the following
factors:</em
>
</p>
<ol>
<li>
<strong>Past wins:</strong> The number of times a registrant has
won a ticket in a previous cycle.
</li>
<li>
<strong>Opportunity level:</strong> The level of children's
access to opportunity linked to the registrant's zipcode, based
on the 2023 Child Opportunity Index.
</li>
</ol>
</div>
</div>
<div class="equity-card">
<div class="equity-card-title equity-reasons">
Reasons for choosing this approach
</div>
<div class="equity-card-body">
<ol>
<li>
<strong>Lowering barriers to access:</strong> Weighting is based
on a widely-adopted methodology that directly assesses
children's access to opportunity, based on educational, social,
and economic factors. The tool is referenced on the
<a
href="https://healthdatatool.mass.gov/ss_whatsnewitem/child-opportunity-index-3-0-2023/"
target="_blank"
class="external-link"
>Massachusetts Department of Public Health website</a
>.
</li>
<li>
<strong>Citywide data coverage:</strong> Data exists citywide
and covers all census tracts, unlike other Boston Public
Schools-specific datasets. This addresses a concern raised in
the one-pager that more BPS data is available than for non-BPS
kids.
</li>
</ol>
</div>
</div>
<div class="equity-card">
<div class="equity-card-title equity-other">
Other approaches considered
</div>
<div class="equity-card-body">
<ol>
<li>
<strong>District population weighting:</strong> The focus of the
project is to support families facing greater barriers to
cultural access, rather than to ensure proportional
representation for each Boston district. Moreover, accounting
for disproportional interest closer to the event venue can
unintentionally worsen inequity, as cultural resources may be
concentrated in more wealthy areas. It can also be complex, as
the initiative facilitates tickets for multiple event venues.
</li>
<li>
<strong>BPS Child Opportunity Index:</strong> While the
BPS-specific child opportunity index is more granular than the
zipcode-level index, it excludes non-Boston Public School kids.
</li>
</ol>
</div>
</div>
<div class="equity-card">
<div class="equity-card-title equity-formula">
Calculation formula
</div>
<div class="equity-card-body">
<ol>
<li>
<strong
>Child Opportunity Index (COI) data (version 3.0, published in
2025):</strong
>
The 2023 Child Opportunity Index dataset includes zipcode or
census tract-level classification of children's access to
opportunity. To implement this approach, use the
<code>c5_COI_met</code> data variable, which compares each
zipcode with Boston-Cambridge-Newton, MA-NH. Select the 2023
data. Each zipcode is classified as having very low, low,
moderate, high, or very high child access to opportunity.
</li>
<div style="margin: 2.5rem 0 1.2rem 0; text-align: center">
<img
src="images/ddk-explorer-capture.png"
alt="Child Opportunity Index Explorer Screenshot"
style="
max-width: 100%;
border-radius: 12px;
box-shadow: 0 4px 24px rgba(10, 37, 64, 0.13);
" />
<div
style="font-size: 0.98rem; color: #666; margin-top: 0.5rem">
Source: DiversityDataKids
</div>
</div>
<li>
<strong
>Weight formula for Child Opportunity Index (COI):</strong
>
Current presets per neighborhood level:
<ul>
<li>Very low = 1</li>
<li>Low = 0.9</li>
<li>Moderate = 0.8</li>
<li>High = 0.7</li>
<li>Very high = 0.6</li>
</ul>
The exact weight number can be adjusted in the Google Apps
Script, based on the city's preferences.
</li>
<li>
<strong>Weight formula for past wins:</strong>
<code>weight = 1 / (1 + pastWins)</code>
<ul>
<li>pastWins = 0 → weight 1.0</li>
<li>pastWins = 1 → weight 0.5</li>
<li>pastWins = 2 → weight 0.33</li>
<li>pastWins = 3 → weight 0.25</li>
</ul>
<div style="margin-top: 0.7em; color: #444; font-size: 0.98em">
Each time a registrant wins the lottery, their chances of
winning again decrease.
</div>
</li>
</ol>
</div>
</div>
<div class="equity-card">
<div class="equity-card-title equity-formula">
Best practices for transparency
</div>
<div class="equity-card-body">
<ol>
<li>
<strong>Communicate the basis for equity weighting:</strong>
Public users should be informed that the system uses the
rigorous and peer-reviewed Child Opportunity Index (COI).<br />
The COI is a project housed in Boston University's School of
Social Work: Institute for Equity in Child Opportunity & Healthy
Development.
<a
href="https://www.diversitydatakids.org/"
target="_blank"
class="external-link"
>Child Opportunity Index page</a
>.<br />
Share the map visualization to indicate how the system considers
the level of access for a user's neighborhood.
</li>
<li>
<strong>Include a specific scenario:</strong> Make the weighting
system more intuitive for users by providing a concrete
example.<br />
<em
>E.g., A user from a "very high" access neighborhood with one
past win has one-third the likelihood of being selected
compared to a first-time user from a "very low"
neighborhood.</em
>
</li>
</ol>
</div>
</div>
<div class="equity-card">
<div class="equity-card-title equity-limit">
Considerations and limitations
</div>
<div class="equity-card-body">
<ol>
<li>
<strong>Zipcodes vs. census tract:</strong> Some zipcodes
contain high variability in opportunity. Census tracts map more
cleanly to differences in opportunity access, but zipcodes map
more cleanly to registrations. In the long run, it is worth
considering switching to census tracts.
</li>
<li>
<strong>COI selection:</strong> There are different types of
COI: Overall Child Opportunity, Education, Health and
Environment, and Social and Economic. We recommend choosing
Overall Child Opportunity to consider child opportunity access
comprehensively.
</li>
</ol>
</div>
</div>
</div>
</div>
<footer class="footer">
<div class="footer-content">
<h3 style="margin-bottom: 1rem; font-family: var(--font-serif)">
Boston Family Days
</h3>
<p style="opacity: 0.8; margin-bottom: 1.5rem">
Making Boston's cultural institutions accessible to all school-aged
children and their families.
</p>
<div>
<span class="tag">City of Boston</span>
<span class="tag">Family Access</span>
<span class="tag">Cultural Programs</span>
<span class="tag">Community Initiative</span>
</div>
</div>
</footer>
<script src="js/script.js"></script>
</body>
</html>