Penryn Elementary (Data source)
Source data for Penryn 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 | 1604249 | 2423 | - | 2436 | = | -13 | * | (28 | / | 150) | = | -2.42666666 | ||
| 4 | 1604252 | 2467 | - | 2485 | = | -18 | * | (15 | / | 150) | = | -1.8 | ||
| 5 | 1604253 | 2517 | - | 2528 | = | -11 | * | (24 | / | 150) | = | -1.76 | ||
| 6 | 1604256 | 2567 | - | 2552 | = | 15 | * | (29 | / | 150) | = | 2.9 | ||
| 7 | 1604257 | 2554 | - | 2567 | = | -13 | * | (23 | / | 150) | = | -1.99333333 | ||
| 8 | 1604260 | 2552 | - | 2586 | = | -34 | * | (31 | / | 150) | = | -7.02666664 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Penryn Elementary | -12 | ||||||||||||
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 | 50179 | 2430 | - | 2436 | = | -6 | * | (25 | / | 155) | = | -0.96774193 | ||
| 4 | 50180 | 2493 | - | 2485 | = | 8 | * | (31 | / | 155) | = | 1.6 | ||
| 5 | 50182 | 2525 | - | 2528 | = | -3 | * | (18 | / | 155) | = | -0.3483871 | ||
| 6 | 50185 | 2554 | - | 2552 | = | 2 | * | (28 | / | 155) | = | 0.36129032 | ||
| 7 | 50187 | 2615 | - | 2567 | = | 48 | * | (30 | / | 155) | = | 9.29032258 | ||
| 8 | 50188 | 2580 | - | 2586 | = | -6 | * | (23 | / | 155) | = | -0.89032258 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Penryn Elementary | 9 | ||||||||||||
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 | 51601 | 2424 | - | 2436 | = | -12 | * | (23 | / | 171) | = | -1.61403508 | ||
| 4 | 51603 | 2510 | - | 2485 | = | 25 | * | (27 | / | 171) | = | 3.9473684 | ||
| 5 | 51605 | 2548 | - | 2528 | = | 20 | * | (33 | / | 171) | = | 3.85964912 | ||
| 6 | 51607 | 2536 | - | 2552 | = | -16 | * | (27 | / | 171) | = | -2.52631578 | ||
| 7 | 51609 | 2598 | - | 2567 | = | 31 | * | (32 | / | 171) | = | 5.80116956 | ||
| 8 | 51610 | 2628 | - | 2586 | = | 42 | * | (29 | / | 171) | = | 7.12280701 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Penryn Elementary | 17 | ||||||||||||
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 | 51631 | 2460 | - | 2436 | = | 24 | * | (26 | / | 173) | = | 3.60693641 | ||
| 4 | 51632 | 2472 | - | 2485 | = | -13 | * | (28 | / | 173) | = | -2.10404623 | ||
| 5 | 51635 | 2537 | - | 2528 | = | 9 | * | (25 | / | 173) | = | 1.30057803 | ||
| 6 | 51636 | 2554 | - | 2552 | = | 2 | * | (36 | / | 173) | = | 0.41618497 | ||
| 7 | 51639 | 2563 | - | 2567 | = | -4 | * | (30 | / | 173) | = | -0.69364162 | ||
| 8 | 51640 | 2635 | - | 2586 | = | 49 | * | (28 | / | 173) | = | 7.93063579 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Penryn Elementary | 10 | ||||||||||||
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 | 51828 | 2443 | - | 2436 | = | 7 | * | (28 | / | 172) | = | 1.13953488 | ||
| 4 | 51829 | 2523 | - | 2485 | = | 38 | * | (27 | / | 172) | = | 5.96511627 | ||
| 5 | 51830 | 2489 | - | 2528 | = | -39 | * | (33 | / | 172) | = | -7.48255814 | ||
| 6 | 51831 | 2569 | - | 2552 | = | 17 | * | (27 | / | 172) | = | 2.66860465 | ||
| 7 | 51832 | 2589 | - | 2567 | = | 22 | * | (33 | / | 172) | = | 4.22093023 | ||
| 8 | 51833 | 2620 | - | 2586 | = | 34 | * | (24 | / | 172) | = | 4.74418602 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Penryn Elementary | 11 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -12 | 9 | 17 | 10 | 11 | 35.0 | 7.0 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 40.0
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -26.0
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 | 19% | 19% | 11% | 25% | 20% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Loomis Union Elementary school district | County of Placer
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.
Penryn Elementary math proficiency
Zero+ meets standard.
12% less $meal
11% less $meal
6% less $meal
19% less $meal
19% 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 Loomis Union Elementary (6)
| Franklin Elementary | H. Clarke Powers Elementary | Loomis Elementary |
| Ophir STEAM Academy | Penryn Elementary | Placer Elementary |