River Bluff Elementary (Data source)
Source data for River Bluff 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 | 380112 | 2437 | - | 2436 | = | 1 | * | (111 | / | 508) | = | 0.21850394 | ||
| 4 | 380114 | 2466 | - | 2485 | = | -19 | * | (137 | / | 508) | = | -5.12401574 | ||
| 5 | 380115 | 2467 | - | 2528 | = | -61 | * | (134 | / | 508) | = | -16.09055115 | ||
| 6 | 380118 | 2511 | - | 2552 | = | -41 | * | (126 | / | 508) | = | -10.16929134 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for River Bluff Elementary | -31 | ||||||||||||
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 | 11530 | 2455 | - | 2436 | = | 19 | * | (140 | / | 533) | = | 4.99061914 | ||
| 4 | 11531 | 2474 | - | 2485 | = | -11 | * | (123 | / | 533) | = | -2.53846153 | ||
| 5 | 11533 | 2505 | - | 2528 | = | -23 | * | (136 | / | 533) | = | -5.8686679 | ||
| 6 | 11535 | 2532 | - | 2552 | = | -20 | * | (134 | / | 533) | = | -5.02814258 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for River Bluff Elementary | -8 | ||||||||||||
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 | 11862 | 2447 | - | 2436 | = | 11 | * | (108 | / | 471) | = | 2.52229299 | ||
| 4 | 11864 | 2498 | - | 2485 | = | 13 | * | (130 | / | 471) | = | 3.5881104 | ||
| 5 | 11865 | 2491 | - | 2528 | = | -37 | * | (104 | / | 471) | = | -8.16985138 | ||
| 6 | 11867 | 2567 | - | 2552 | = | 15 | * | (129 | / | 471) | = | 4.10828025 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for River Bluff Elementary | 2 | ||||||||||||
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 | 11898 | 2467 | - | 2436 | = | 31 | * | (106 | / | 453) | = | 7.2538631 | ||
| 4 | 11900 | 2487 | - | 2485 | = | 2 | * | (98 | / | 453) | = | 0.43267108 | ||
| 5 | 11902 | 2512 | - | 2528 | = | -16 | * | (134 | / | 453) | = | -4.73289182 | ||
| 6 | 11904 | 2546 | - | 2552 | = | -6 | * | (115 | / | 453) | = | -1.5231788 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for River Bluff Elementary | 1 | ||||||||||||
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 | 11990 | 2450 | - | 2436 | = | 14 | * | (107 | / | 451) | = | 3.32150776 | ||
| 4 | 11991 | 2486 | - | 2485 | = | 1 | * | (105 | / | 451) | = | 0.23281596 | ||
| 5 | 11992 | 2514 | - | 2528 | = | -14 | * | (103 | / | 451) | = | -3.19733924 | ||
| 6 | 11993 | 2560 | - | 2552 | = | 8 | * | (136 | / | 451) | = | 2.41241685 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for River Bluff Elementary | 3 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -31 | -8 | 2 | 1 | 3 | -33.0 | -6.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 35.4
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -48.6
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 | 35% | 48% | 42% | 48% | 51% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Central Unified school district | County of Fresno
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.
River Bluff Elementary math proficiency
Zero+ meets standard.
30% less $meal
38% less $meal
33% less $meal
43% less $meal
43% 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.