West Shores High (Data source)
Source data for West Shores High
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 | 1754164 | 2441 | - | 2567 | = | -126 | * | (82 | / | 207) | = | -49.91304339 | ||
| 8 | 1754165 | 2460 | - | 2586 | = | -126 | * | (64 | / | 207) | = | -38.95652162 | ||
| 11 | 1754168 | 2522 | - | 2628 | = | -106 | * | (61 | / | 207) | = | -31.23671494 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for West Shores High | -120 | ||||||||||||
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 | 54494 | 2435 | - | 2567 | = | -132 | * | (95 | / | 248) | = | -50.56451611 | ||
| 8 | 54496 | 2464 | - | 2586 | = | -122 | * | (86 | / | 248) | = | -42.30645155 | ||
| 11 | 54498 | 2530 | - | 2628 | = | -98 | * | (67 | / | 248) | = | -26.47580642 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for West Shores High | -119 | ||||||||||||
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 | 56090 | 2460 | - | 2567 | = | -107 | * | (72 | / | 226) | = | -34.08849549 | ||
| 8 | 56092 | 2435 | - | 2586 | = | -151 | * | (95 | / | 226) | = | -63.47345128 | ||
| 11 | 56094 | 2498 | - | 2628 | = | -130 | * | (59 | / | 226) | = | -33.93805298 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for West Shores High | -131 | ||||||||||||
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 | 56189 | 2426 | - | 2567 | = | -141 | * | (87 | / | 229) | = | -53.56768548 | ||
| 8 | 56190 | 2429 | - | 2586 | = | -157 | * | (81 | / | 229) | = | -55.53275103 | ||
| 11 | 56193 | 2509 | - | 2628 | = | -119 | * | (61 | / | 229) | = | -31.69868986 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for West Shores High | -141 | ||||||||||||
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 | 56447 | 2417 | - | 2567 | = | -150 | * | (90 | / | 263) | = | -51.33079845 | ||
| 8 | 56448 | 2394 | - | 2586 | = | -192 | * | (95 | / | 263) | = | -69.35361216 | ||
| 11 | 56449 | 2507 | - | 2628 | = | -121 | * | (78 | / | 263) | = | -35.88593147 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for West Shores High | -157 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -120 | -119 | -131 | -141 | -157 | -668.0 | -133.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -88.6
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -178.6
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 | 98% | 96% | 96% | 83% | 94% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Coachella Valley Unified school district | County of Riverside
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.
West Shores High math proficiency
Zero+ meets standard.
88% less $meal
88% less $meal
87% less $meal
80% less $meal
86% 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.
High Schools (Public) schools in Coachella Valley Unified (3)
| Coachella Valley High | Desert Mirage High | West Shores High |