Ramona Elementary (Data source)
Source data for Ramona 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 | 2014488 | 2385 | - | 2436 | = | -51 | * | (106 | / | 435) | = | -12.42758616 | ||
| 4 | 2014491 | 2439 | - | 2485 | = | -46 | * | (114 | / | 435) | = | -12.05517239 | ||
| 5 | 2014492 | 2432 | - | 2528 | = | -96 | * | (100 | / | 435) | = | -22.06896547 | ||
| 6 | 2014495 | 2468 | - | 2552 | = | -84 | * | (115 | / | 435) | = | -22.20689654 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Ramona Elementary | -69 | ||||||||||||
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 | 61962 | 2409 | - | 2436 | = | -27 | * | (105 | / | 412) | = | -6.88106794 | ||
| 4 | 61965 | 2443 | - | 2485 | = | -42 | * | (102 | / | 412) | = | -10.39805823 | ||
| 5 | 61966 | 2459 | - | 2528 | = | -69 | * | (113 | / | 412) | = | -18.92475724 | ||
| 6 | 61969 | 2474 | - | 2552 | = | -78 | * | (92 | / | 412) | = | -17.41747566 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Ramona Elementary | -54 | ||||||||||||
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 | 63753 | 2422 | - | 2436 | = | -14 | * | (104 | / | 433) | = | -3.3625866 | ||
| 4 | 63754 | 2448 | - | 2485 | = | -37 | * | (112 | / | 433) | = | -9.5704388 | ||
| 5 | 63757 | 2479 | - | 2528 | = | -49 | * | (103 | / | 433) | = | -11.65588911 | ||
| 6 | 63758 | 2507 | - | 2552 | = | -45 | * | (114 | / | 433) | = | -11.84757503 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Ramona Elementary | -36 | ||||||||||||
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 | 63857 | 2437 | - | 2436 | = | 1 | * | (97 | / | 412) | = | 0.23543689 | ||
| 4 | 63859 | 2476 | - | 2485 | = | -9 | * | (107 | / | 412) | = | -2.33737863 | ||
| 5 | 63861 | 2498 | - | 2528 | = | -30 | * | (107 | / | 412) | = | -7.79126211 | ||
| 6 | 63863 | 2505 | - | 2552 | = | -47 | * | (101 | / | 412) | = | -11.52184466 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Ramona Elementary | -21 | ||||||||||||
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 | 64130 | 2445 | - | 2436 | = | 9 | * | (99 | / | 424) | = | 2.10141509 | ||
| 4 | 64131 | 2464 | - | 2485 | = | -21 | * | (98 | / | 424) | = | -4.85377358 | ||
| 5 | 64132 | 2517 | - | 2528 | = | -11 | * | (114 | / | 424) | = | -2.95754716 | ||
| 6 | 64133 | 2520 | - | 2552 | = | -32 | * | (113 | / | 424) | = | -8.52830186 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Ramona Elementary | -14 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -69 | -54 | -36 | -21 | -14 | -194.0 | -38.8 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 27.2
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -104.8
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 | 95% | 89% | 85% | 75% | 91% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Ontario-Montclair school district | County of San Bernardino
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.
Ramona Elementary math proficiency
Zero+ meets standard.
87% less $meal
79% less $meal
76% less $meal
71% less $meal
81% 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.