Bobby Duke Middle (Data source)
Source data for Bobby Duke 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 |
||
| 7 | 1753727 | 2425 | - | 2567 | = | -142 | * | (369 | / | 730) | = | -71.77808218 | ||
| 8 | 1753730 | 2454 | - | 2586 | = | -132 | * | (361 | / | 730) | = | -65.2767122 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Bobby Duke Middle | -137 | ||||||||||||
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 | 54481 | 2416 | - | 2567 | = | -151 | * | (358 | / | 722) | = | -74.87257613 | ||
| 8 | 54483 | 2444 | - | 2586 | = | -142 | * | (364 | / | 722) | = | -71.59002761 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Bobby Duke Middle | -146 | ||||||||||||
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 | 56075 | 2435 | - | 2567 | = | -132 | * | (346 | / | 688) | = | -66.38372083 | ||
| 8 | 56078 | 2413 | - | 2586 | = | -173 | * | (342 | / | 688) | = | -85.99709298 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Bobby Duke Middle | -152 | ||||||||||||
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 | 56174 | 2439 | - | 2567 | = | -128 | * | (365 | / | 712) | = | -65.61797747 | ||
| 8 | 56177 | 2432 | - | 2586 | = | -154 | * | (347 | / | 712) | = | -75.0533707 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Bobby Duke Middle | -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 | 56432 | 2444 | - | 2567 | = | -123 | * | (417 | / | 773) | = | -66.35316943 | ||
| 8 | 56433 | 2456 | - | 2586 | = | -130 | * | (356 | / | 773) | = | -59.87063381 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Bobby Duke Middle | -126 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -137 | -146 | -152 | -141 | -126 | -702.0 | -140.4 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -113.4
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -167.4
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% | 94% | 98% | 96% | 97% |
| 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.
Bobby Duke Middle math proficiency
Zero+ meets standard.
92% less $meal
90% less $meal
92% less $meal
90% less $meal
92% 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 Coachella Valley Unified (3)
| Bobby Duke Middle | Cahuilla Desert Academy Junior High | Toro Canyon Middle |