Opal Robinson Elementary (Data source)
Source data for Opal Robinson 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 | 1201689 | 2491 | - | 2436 | = | 55 | * | (88 | / | 226) | = | 21.41592915 | ||
| 4 | 1201690 | 2550 | - | 2485 | = | 65 | * | (74 | / | 226) | = | 21.28318582 | ||
| 5 | 1201693 | 2596 | - | 2528 | = | 68 | * | (64 | / | 226) | = | 19.25663712 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Opal Robinson Elementary | 62 | ||||||||||||
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 | 37410 | 2533 | - | 2436 | = | 97 | * | (71 | / | 234) | = | 29.43162389 | ||
| 4 | 37412 | 2540 | - | 2485 | = | 55 | * | (84 | / | 234) | = | 19.74358969 | ||
| 5 | 37413 | 2569 | - | 2528 | = | 41 | * | (79 | / | 234) | = | 13.84188032 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Opal Robinson Elementary | 63 | ||||||||||||
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 | 38219 | 2507 | - | 2436 | = | 71 | * | (71 | / | 238) | = | 21.18067222 | ||
| 4 | 38221 | 2564 | - | 2485 | = | 79 | * | (77 | / | 238) | = | 25.55882347 | ||
| 5 | 38223 | 2553 | - | 2528 | = | 25 | * | (90 | / | 238) | = | 9.4537815 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Opal Robinson Elementary | 56 | ||||||||||||
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 | 38185 | 2525 | - | 2436 | = | 89 | * | (51 | / | 200) | = | 22.695 | ||
| 4 | 38187 | 2561 | - | 2485 | = | 76 | * | (65 | / | 200) | = | 24.7 | ||
| 5 | 38189 | 2593 | - | 2528 | = | 65 | * | (84 | / | 200) | = | 27.3 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Opal Robinson Elementary | 75 | ||||||||||||
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 | 38388 | 2517 | - | 2436 | = | 81 | * | (68 | / | 186) | = | 29.61290316 | ||
| 4 | 38389 | 2582 | - | 2485 | = | 97 | * | (56 | / | 186) | = | 29.204301 | ||
| 5 | 38390 | 2599 | - | 2528 | = | 71 | * | (62 | / | 186) | = | 23.66666664 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Opal Robinson Elementary | 82 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| 62 | 63 | 56 | 75 | 82 | 338.0 | 67.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 97.6
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: 37.6
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 | 1% | 2% | 2% | 3% | 2% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Manhattan Beach 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.
Opal Robinson Elementary math proficiency
Zero+ meets standard.
1% less $meal
2% less $meal
2% less $meal
3% less $meal
2% 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.
Elementary School (Public) schools in Manhattan Beach Unified (5)
| Aurelia Pennekamp Elementary | Grand View Elementary | Meadows Avenue Elementary |
| Opal Robinson Elementary | Pacific Elementary |