Plymouth Elementary (Data source)
Source data for Plymouth 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 | 1031938 | 2427 | - | 2436 | = | -9 | * | (53 | / | 181) | = | -2.63535911 | ||
| 4 | 1031939 | 2434 | - | 2485 | = | -51 | * | (68 | / | 181) | = | -19.16022096 | ||
| 5 | 1031942 | 2492 | - | 2528 | = | -36 | * | (60 | / | 181) | = | -11.93370163 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Plymouth Elementary | -34 | ||||||||||||
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 | 32403 | 2435 | - | 2436 | = | -1 | * | (58 | / | 183) | = | -0.31693989 | ||
| 4 | 32404 | 2461 | - | 2485 | = | -24 | * | (56 | / | 183) | = | -7.34426227 | ||
| 5 | 32406 | 2470 | - | 2528 | = | -58 | * | (69 | / | 183) | = | -21.86885244 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Plymouth Elementary | -30 | ||||||||||||
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 | 32962 | 2454 | - | 2436 | = | 18 | * | (61 | / | 179) | = | 6.1340782 | ||
| 4 | 32964 | 2460 | - | 2485 | = | -25 | * | (61 | / | 179) | = | -8.51955305 | ||
| 5 | 32967 | 2501 | - | 2528 | = | -27 | * | (57 | / | 179) | = | -8.59776536 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Plymouth Elementary | -11 | ||||||||||||
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 | 32981 | 2447 | - | 2436 | = | 11 | * | (53 | / | 172) | = | 3.38953487 | ||
| 4 | 32983 | 2481 | - | 2485 | = | -4 | * | (58 | / | 172) | = | -1.34883721 | ||
| 5 | 32984 | 2476 | - | 2528 | = | -52 | * | (61 | / | 172) | = | -18.44186042 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Plymouth Elementary | -16 | ||||||||||||
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 | 33152 | 2439 | - | 2436 | = | 3 | * | (60 | / | 163) | = | 1.10429448 | ||
| 4 | 33153 | 2487 | - | 2485 | = | 2 | * | (53 | / | 163) | = | 0.65030675 | ||
| 5 | 33154 | 2503 | - | 2528 | = | -25 | * | (50 | / | 163) | = | -7.66871165 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Plymouth Elementary | -6 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -34 | -30 | -11 | -16 | -6 | -97.0 | -19.4 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 16.6
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -55.4
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 | 71% | 78% | 72% | 72% | 63% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Monrovia 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.
Plymouth Elementary math proficiency
Zero+ meets standard.
56% less $meal
62% less $meal
57% less $meal
62% less $meal
55% 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 Monrovia Unified (5)
| Bradoaks Elementary | Mayflower Elementary | Monroe Elementary |
| Plymouth Elementary | Wild Rose School of Creative |