Elm Street Elementary (Data source)
Source data for Elm Street Elementary
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 |
||
| 3 | 3118597 | 2353 | - | 2436 | = | -83 | * | (106 | / | 342) | = | -25.72514616 | ||
| 4 | 3118598 | 2393 | - | 2485 | = | -92 | * | (125 | / | 342) | = | -33.62573099 | ||
| 5 | 3118601 | 2430 | - | 2528 | = | -98 | * | (111 | / | 342) | = | -31.80701749 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Elm Street Elementary | -91 | ||||||||||||
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 |
||
| 3 | 96179 | 2366 | - | 2436 | = | -70 | * | (130 | / | 361) | = | -25.20775621 | ||
| 4 | 96180 | 2394 | - | 2485 | = | -91 | * | (101 | / | 361) | = | -25.45983376 | ||
| 5 | 96182 | 2418 | - | 2528 | = | -110 | * | (130 | / | 361) | = | -39.61218833 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Elm Street Elementary | -90 | ||||||||||||
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 |
||
| 3 | 98965 | 2357 | - | 2436 | = | -79 | * | (120 | / | 350) | = | -27.08571422 | ||
| 4 | 98968 | 2405 | - | 2485 | = | -80 | * | (128 | / | 350) | = | -29.2571428 | ||
| 5 | 98969 | 2409 | - | 2528 | = | -119 | * | (102 | / | 350) | = | -34.67999995 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Elm Street Elementary | -91 | ||||||||||||
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 |
||
| 3 | 99120 | 2382 | - | 2436 | = | -54 | * | (104 | / | 343) | = | -16.37317784 | ||
| 4 | 99123 | 2402 | - | 2485 | = | -83 | * | (114 | / | 343) | = | -27.58600583 | ||
| 5 | 99124 | 2424 | - | 2528 | = | -104 | * | (125 | / | 343) | = | -37.90087454 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Elm Street Elementary | -82 | ||||||||||||
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 |
||
| 3 | 99787 | 2375 | - | 2436 | = | -61 | * | (101 | / | 312) | = | -19.74679483 | ||
| 4 | 99788 | 2425 | - | 2485 | = | -60 | * | (99 | / | 312) | = | -19.03846152 | ||
| 5 | 99789 | 2422 | - | 2528 | = | -106 | * | (112 | / | 312) | = | -38.05128195 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Elm Street Elementary | -77 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -91 | -90 | -91 | -82 | -77 | -431.0 | -86.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -68.2
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -104.2
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 | 92% | 94% | 91% | 91% | 81% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Oxnard school district | County of Ventura
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.
Elm Street Elementary math proficiency
Zero+ meets standard.
82% less $meal
83% less $meal
82% less $meal
84% less $meal
75% 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.