Redwood Elementary (Data source)
Source data for Redwood 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 | 264302 | 2399 | - | 2436 | = | -37 | * | (56 | / | 358) | = | -5.7877095 | ||
4 | 264303 | 2447 | - | 2485 | = | -38 | * | (57 | / | 358) | = | -6.05027933 | ||
5 | 264306 | 2470 | - | 2528 | = | -58 | * | (58 | / | 358) | = | -9.39664803 | ||
6 | 264307 | 2516 | - | 2552 | = | -36 | * | (63 | / | 358) | = | -6.33519551 | ||
7 | 264310 | 2532 | - | 2567 | = | -35 | * | (65 | / | 358) | = | -6.35474858 | ||
8 | 264311 | 2519 | - | 2586 | = | -67 | * | (59 | / | 358) | = | -11.04189942 | ||
Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Redwood Elementary | -45 |
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 | 7753 | 2395 | - | 2436 | = | -41 | * | (42 | / | 357) | = | -4.82352938 | ||
4 | 7756 | 2427 | - | 2485 | = | -58 | * | (61 | / | 357) | = | -9.91036413 | ||
5 | 7758 | 2441 | - | 2528 | = | -87 | * | (62 | / | 357) | = | -15.10924363 | ||
6 | 7759 | 2512 | - | 2552 | = | -40 | * | (63 | / | 357) | = | -7.05882352 | ||
7 | 7761 | 2501 | - | 2567 | = | -66 | * | (65 | / | 357) | = | -12.01680671 | ||
8 | 7763 | 2540 | - | 2586 | = | -46 | * | (64 | / | 357) | = | -8.24649857 | ||
Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Redwood Elementary | -57 |
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 | 7999 | 2378 | - | 2436 | = | -58 | * | (44 | / | 344) | = | -7.41860461 | ||
4 | 8002 | 2483 | - | 2485 | = | -2 | * | (42 | / | 344) | = | -0.24418605 | ||
5 | 8003 | 2463 | - | 2528 | = | -65 | * | (65 | / | 344) | = | -12.28197672 | ||
6 | 8005 | 2508 | - | 2552 | = | -44 | * | (70 | / | 344) | = | -8.95348837 | ||
7 | 8008 | 2526 | - | 2567 | = | -41 | * | (60 | / | 344) | = | -7.15116276 | ||
8 | 8009 | 2515 | - | 2586 | = | -71 | * | (63 | / | 344) | = | -13.00290691 | ||
Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Redwood Elementary | -49 |
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 | 8018 | 2390 | - | 2436 | = | -46 | * | (45 | / | 329) | = | -6.29179329 | ||
4 | 8019 | 2459 | - | 2485 | = | -26 | * | (43 | / | 329) | = | -3.39817629 | ||
5 | 8022 | 2477 | - | 2528 | = | -51 | * | (44 | / | 329) | = | -6.82066865 | ||
6 | 8023 | 2502 | - | 2552 | = | -50 | * | (66 | / | 329) | = | -10.0303951 | ||
7 | 8026 | 2514 | - | 2567 | = | -53 | * | (70 | / | 329) | = | -11.27659572 | ||
8 | 8027 | 2524 | - | 2586 | = | -62 | * | (61 | / | 329) | = | -11.49544071 | ||
Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Redwood Elementary | -49 |
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 | 8072 | 2395 | - | 2436 | = | -41 | * | (63 | / | 355) | = | -7.27605631 | ||
4 | 8073 | 2448 | - | 2485 | = | -37 | * | (44 | / | 355) | = | -4.58591546 | ||
5 | 8074 | 2484 | - | 2528 | = | -44 | * | (50 | / | 355) | = | -6.19718308 | ||
6 | 8075 | 2518 | - | 2552 | = | -34 | * | (60 | / | 355) | = | -5.74647886 | ||
7 | 8076 | 2540 | - | 2567 | = | -27 | * | (70 | / | 355) | = | -5.32394365 | ||
8 | 8077 | 2547 | - | 2586 | = | -39 | * | (68 | / | 355) | = | -7.47042251 | ||
Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Redwood Elementary | -37 |
Last steps
Compute the average
2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
---|---|---|---|---|---|---|
-45 | -57 | -49 | -49 | -37 | -237.0 | -47.4 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -26.4
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -68.4
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 | 39% | 39% | 42% | 46% | 47% |
Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Del Norte County Unified school district County of Del Norte
THIS chart shows what the school system "wants"
PLUS a "special" or "outside" cause of variation, parent education.
NOT what teachers want.
NOT what principals want.
NOT what parents want.
Redwood Elementary math proficiency
Zero+ meets standard.
28% less $meal
32% less $meal
32% less $meal
38% less $meal
42% 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 Del Norte County Unified (8)
Bess Maxwell Elementary | Joe Hamilton Elementary | Margaret Keating Elementary |
Mary Peacock Elementary | Mountain Elementary | Pine Grove Elementary |
Redwood Elementary | Smith River Elementary |