Charles Blackstock Junior High (Data source)
Source data for Charles Blackstock Junior 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 |
||
| 6 | 3106111 | 2467 | - | 2552 | = | -85 | * | (411 | / | 1189) | = | -29.38183347 | ||
| 7 | 3106114 | 2489 | - | 2567 | = | -78 | * | (395 | / | 1189) | = | -25.91253148 | ||
| 8 | 3106115 | 2487 | - | 2586 | = | -99 | * | (383 | / | 1189) | = | -31.88982337 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Charles Blackstock Junior High | -87 | ||||||||||||
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 | 95795 | 2475 | - | 2552 | = | -77 | * | (404 | / | 1224) | = | -25.41503264 | ||
| 7 | 95796 | 2492 | - | 2567 | = | -75 | * | (423 | / | 1224) | = | -25.91911763 | ||
| 8 | 95799 | 2505 | - | 2586 | = | -81 | * | (397 | / | 1224) | = | -26.27205881 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Charles Blackstock Junior High | -78 | ||||||||||||
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 | 98574 | 2471 | - | 2552 | = | -81 | * | (464 | / | 1295) | = | -29.0223938 | ||
| 7 | 98575 | 2492 | - | 2567 | = | -75 | * | (408 | / | 1295) | = | -23.62934363 | ||
| 8 | 98578 | 2510 | - | 2586 | = | -76 | * | (423 | / | 1295) | = | -24.82471038 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Charles Blackstock Junior High | -77 | ||||||||||||
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 | 98746 | 2457 | - | 2552 | = | -95 | * | (515 | / | 1380) | = | -35.45289848 | ||
| 7 | 98749 | 2466 | - | 2567 | = | -101 | * | (457 | / | 1380) | = | -33.44710142 | ||
| 8 | 98750 | 2492 | - | 2586 | = | -94 | * | (408 | / | 1380) | = | -27.79130426 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Charles Blackstock Junior High | -97 | ||||||||||||
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 | 99429 | 2460 | - | 2552 | = | -92 | * | (471 | / | 1456) | = | -29.76098892 | ||
| 7 | 99430 | 2452 | - | 2567 | = | -115 | * | (515 | / | 1456) | = | -40.67651097 | ||
| 8 | 99431 | 2471 | - | 2586 | = | -115 | * | (470 | / | 1456) | = | -37.12225266 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Charles Blackstock Junior High | -108 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -87 | -78 | -77 | -97 | -108 | -447.0 | -89.4 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -50.4
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -128.4
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 | 88% | 83% | 93% | 94% | 90% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Hueneme Elementary 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.
Charles Blackstock Junior High math proficiency
Zero+ meets standard.
77% less $meal
74% less $meal
83% less $meal
85% less $meal
80% 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 Hueneme Elementary (2)
| Charles Blackstock Junior High | E. O. Green Junior High |