Chaparral Middle (Data source)
Source data for Chaparral Middle
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 |
||
| 6 | 1191215 | 2591 | - | 2552 | = | 39 | * | (374 | / | 1231) | = | 11.84890333 | ||
| 7 | 1191218 | 2612 | - | 2567 | = | 45 | * | (400 | / | 1231) | = | 14.62225829 | ||
| 8 | 1191219 | 2615 | - | 2586 | = | 29 | * | (457 | / | 1231) | = | 10.76604384 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Chaparral Middle | 37 | ||||||||||||
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 |
||
| 6 | 37057 | 2594 | - | 2552 | = | 42 | * | (370 | / | 1190) | = | 13.0588235 | ||
| 7 | 37059 | 2631 | - | 2567 | = | 64 | * | (410 | / | 1190) | = | 22.05042016 | ||
| 8 | 37061 | 2632 | - | 2586 | = | 46 | * | (410 | / | 1190) | = | 15.84873949 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Chaparral Middle | 51 | ||||||||||||
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 |
||
| 6 | 37846 | 2606 | - | 2552 | = | 54 | * | (407 | / | 1212) | = | 18.13366332 | ||
| 7 | 37848 | 2630 | - | 2567 | = | 63 | * | (402 | / | 1212) | = | 20.89603958 | ||
| 8 | 37850 | 2656 | - | 2586 | = | 70 | * | (403 | / | 1212) | = | 23.2755775 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Chaparral Middle | 62 | ||||||||||||
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 |
||
| 6 | 37784 | 2607 | - | 2552 | = | 55 | * | (377 | / | 1223) | = | 16.95421096 | ||
| 7 | 37787 | 2643 | - | 2567 | = | 76 | * | (442 | / | 1223) | = | 27.46688465 | ||
| 8 | 37788 | 2658 | - | 2586 | = | 72 | * | (404 | / | 1223) | = | 23.78413735 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Chaparral Middle | 68 | ||||||||||||
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 |
||
| 6 | 37994 | 2612 | - | 2552 | = | 60 | * | (406 | / | 1248) | = | 19.51923072 | ||
| 7 | 37995 | 2636 | - | 2567 | = | 69 | * | (396 | / | 1248) | = | 21.89423075 | ||
| 8 | 37996 | 2668 | - | 2586 | = | 82 | * | (446 | / | 1248) | = | 29.30448711 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Chaparral Middle | 71 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| 37 | 51 | 62 | 68 | 71 | 289.0 | 57.8 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 96.8
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: 18.8
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 | 11% | 13% | 11% | 20% | 22% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Walnut Valley 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.
Chaparral Middle math proficiency
Zero+ meets standard.
6% less $meal
9% less $meal
8% less $meal
18% less $meal
19% 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.
Intermediate/Middle Schools (Public) schools in Walnut Valley Unified (3)
| Chaparral Middle | South Pointe Middle | Suzanne Middle |