Richard A. Alonzo Community Day (Data source)
Source data for Richard A. Alonzo Community Day
2015
| Step 1 | Step 2 | Step 3 | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Get Mean Scale Score from line numbers in this data file. | Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard | Multiply Distance From Standard by proportion of students in grade. | ||||||||||||
| Grade | Line number |
Mean Scale Score |
- | Scale Score: met min |
= | Distance from standard |
* | (Students tested in grade |
/ | Students) tested in school |
= | Weighted Distance From Standard |
||
| 7 | 791949 | 0 | - | 2567 | = | * | (3 | / | 55) | = | ||||
| 8 | 791950 | 0 | - | 2586 | = | * | (3 | / | 55) | = | ||||
| 11 | 791953 | 2446 | - | 2628 | = | -182 | * | (49 | / | 55) | = | -162.14545438 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Richard A. Alonzo Community Day | -162 | ||||||||||||
2016
| Step 1 | Step 2 | Step 3 | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Get Mean Scale Score from line numbers in this data file. | Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard | Multiply Distance From Standard by proportion of students in grade. | ||||||||||||
| Grade | Line number |
Mean Scale Score |
- | Scale Score: met min |
= | Distance from standard |
* | (Students tested in grade |
/ | Students) tested in school |
= | Weighted Distance From Standard |
||
| 7 | 24738 | 0 | - | 2567 | = | * | (2 | / | 55) | = | ||||
| 8 | 24741 | 0 | - | 2586 | = | * | (5 | / | 55) | = | ||||
| 11 | 24743 | 2446 | - | 2628 | = | -182 | * | (48 | / | 55) | = | -158.8363635 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Richard A. Alonzo Community Day | -159 | ||||||||||||
2017
| Step 1 | Step 2 | Step 3 | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Get Mean Scale Score from line numbers in this data file. | Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard | Multiply Distance From Standard by proportion of students in grade. | ||||||||||||
| Grade | Line number |
Mean Scale Score |
- | Scale Score: met min |
= | Distance from standard |
* | (Students tested in grade |
/ | Students) tested in school |
= | Weighted Distance From Standard |
||
| 7 | 25235 | 0 | - | 2567 | = | * | (0 | / | 57) | = | ||||
| 8 | 25237 | 0 | - | 2586 | = | * | (0 | / | 57) | = | ||||
| 11 | 25239 | 2437 | - | 2628 | = | -191 | * | (51 | / | 57) | = | -170.89473682 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Richard A. Alonzo Community Day | -171 | ||||||||||||
2018
| Step 1 | Step 2 | Step 3 | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Get Mean Scale Score from line numbers in this data file. | Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard | Multiply Distance From Standard by proportion of students in grade. | ||||||||||||
| Grade | Line number |
Mean Scale Score |
- | Scale Score: met min |
= | Distance from standard |
* | (Students tested in grade |
/ | Students) tested in school |
= | Weighted Distance From Standard |
||
| 7 | 25263 | 0 | - | 2567 | = | * | (0 | / | 0) | = | ||||
| 8 | 25265 | 0 | - | 2586 | = | * | (0 | / | 0) | = | ||||
| 11 | 25267 | 0 | - | 2628 | = | * | (0 | / | 0) | = | ||||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Richard A. Alonzo Community Day | |||||||||||||
2019
| Step 1 | Step 2 | Step 3 | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Get Mean Scale Score from line numbers in this data file. | Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard | Multiply Distance From Standard by proportion of students in grade. | ||||||||||||
| Grade | Line number |
Mean Scale Score |
- | Scale Score: met min |
= | Distance from standard |
* | (Students tested in grade |
/ | Students) tested in school |
= | Weighted Distance From Standard |
||
| 7 | 25424 | 0 | - | 2567 | = | * | (0 | / | 28) | = | ||||
| 8 | 25425 | 0 | - | 2586 | = | * | (0 | / | 28) | = | ||||
| 11 | 25426 | 2415 | - | 2628 | = | -213 | * | (25 | / | 28) | = | -190.17857125 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Richard A. Alonzo Community Day | -190 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -162 | -159 | -171 | -190 | -682.0 | -136.4 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -131.5
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -209.5
For the lines, you have the data necessary to plot the chart.
Very last step
The percent of students getting a Free or Reduced Price Meal comes from the following sources:
| 2015 | 2016 | 2017 | 2018 | 2019 | |
|---|---|---|---|---|---|
| Percent | 79% | 74% | 91% | 86% | 82% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Los Angeles Unified school district | County of Los Angeles
THIS chart shows what the school system "wants"
PLUS a "special" or "outside" cause of variation: wealth/poverty.
NOT what teachers want.
NOT what principals want.
NOT what parents want.
Richard A. Alonzo Community Day math proficiency
Zero+ meets standard.
77% less $meal
70% less $meal
81% less $meal
81% less $meal
• Any result above zero is proficient; below is not proficient. • There is a 99% chance that results will remain the same in coming years, which is to say, between the Upper and Lower Control Limits (the gray lines). • The houses with the % of students receiving a Free or Reduced Price Meal is a measure of wealth/poverty.
District Community Day Schools schools in Los Angeles Unified (8)
| Aggeler Community Day | CDS Elementary | CDS Secondary |
| Dorothy V. Johnson Community Day | Jack London Community Day | Richard A. Alonzo Community Day |
| Tri-C Community Day | William J. Johnston Community Day |